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Chapter 8
Paramedic: Pathophysiology
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09/12/2012

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Term
The study of livign organisms with regard to their orgin, growth, structure, behavior, and reproduction.
Definition
Biology 335
Term
The study of the functioning of an organism in the presence of disease.
Definition
Pathophysiology 335
Term
The basic self-sustaining unit of the human body.
Definition
The Cell 335
Term
As cells grow and mature, they become specialized through the process of?
Definition
Differeniation 335
Term
What does a group of cells make up?
Definition
Tissue 335
Term
What do various type of tissues make up?
Definition
Organs 335
Term
What do groups of organs make up?
Definition
Organ Systems 335
Term
What are the 3 main components of nearly all cells of higher organisms, except mature red blood cells and platlets?
Definition
Cell Membrane, Cytoplasm, and Nucleus 335
Term
Consists of fat and protein. It surrounds the cell and protects the nucleus and the organelles.
Definition
The Cell Membrane 335
Term
The cell's internal components.
Definition
Organelles 335
Term
Contains ribonucleic acid (RNA) and protein. Interact with RNA from other parts of the cell, joinging amino acid chains together to form proteins. When they attach to endoplasmic reticulum, they create rough endoplasmic reticulum.
Definition
Ribosomes 335
Term
What is responsible for controlling cellular activities.
Definition
Ribonucleic Acid (RNA) 335
Term
A network of tubules, vesicles, and sacs.
Definition
Endoplasmic Reticulum 335
Term
Which organelle is involved in building protein?
Definition
Rough Endoplasmic Reticulum 335
Term
Which organelle is involved in build lipids (fats), such as those found in the cell membrance?
Definition
Smooth Endoplasmic Reticulum 335
Term
Located near the nucleus, it is involved in the synthesis and packaging of varius carbohydrates (sugars) and complex molecules, such as enzymes.
Definition
The Golgi Complex 335
Term
Membrane-bound vesicles that contain digestive enzymes. These enzymes function as an intracellular digestive system, breaking down organic debris, such as bacteria, that has been taking into the cell.
Definition
Lysosomes 335
Term
Which organelle is found in high concentration in the liver and neutralizes toxins such as alcohol?
Definition
Peroxisomes 335
Term
Small organelles that may be rodlike or spherical in shape. They function as the metobolic center of the cell, and produce adenosine triphosphate (ATP), the major energy source for the cell.
Definition
Mitochondria 336
Term
A cellular organelle that contains 2 different types of genetic information.
Definition
Nucleus 336
Term
Contained in the chromosomes, which are long and thin in the nondividing cell and cannot be identified as distinct structures. Istead, they appear as a network of granules called nuclear chromatin.
Definition
Deoxyribonucleic Acid (DNA) 336
Term
Contained in spherical intranuclear structures called nucleoli.
Definition
Ribonucleic Acid (RNA) 336
Term
What membrane surrounds the nucleus?
Definition
Neclear Envelope 336
Term
What is the nucleus embedded in?
Definition
Cytoplasm 336
Term
Epithelial, connective, muscle, and nerve.
Definition
The 4 basic types of tissue 336
Term
Covers the external surfaces of the body and lines the hollow organs within the body, such as the intestines, blood vessels, and bronchial tubes.
Definition
Epithelial tissue or Epithelium 336
Term
In addition to providing a protective barrier, it is necessary for the absorption of nutrients in the intestines and the secretion of various body substances.
Definition
Epithelial tissue or Epithelium 336
Term
What cells line the blood vessels, help regulate the flow of blood through the vessel, and have a role in blood clotting (coagulation)?
Definition
Endothelial Cells 337
Term
Binds the other types of tissue to one another.
Definition
Connective Tissue 337
Term
Seperated by a nonliving extracellular matrix consisting of protein fibers, nonfibrous protein, and fluid.
Definition
Connective Tissue Cells 337
Term
What type of tissue is blood considered?
Definition
Connective Tissue 337
Term
A special type of connective tissue that contains large amounts of lipids (fats).
Definition
Adipose Tissue 337
Term
What is the main protein within the extracellular matrix of connective tissue?
Definition
Collagen 337
Term
What are subtypes of connective tissue?
Definition
Bone and Cartilage 337
Term
How many types of collagen exist?
Definition
At least 12 337
Term
Which types of collagen are the most abundant?
Definition
Type I, II, and III 337
Term
Characterized by its ability to contract and is enclosed by fascia.
Definition
Muscle Tissue 337
Term
An envelope of fibrous connective tissue that encapsulates individual muscles.
Definition
Fascia 337
Term
Overlies the framework of the skeleton and are classified in terms of their structure and function.
Definition
Muscles 337
Term
Muscle tissue in which microscopic bands or striations can be seen.
Definition
Striated Muscles 337
Term
Muscle tissue in which bands cannot be seen.
Definition
Smooth Muscles 337
Term
Functionally, What are the 2 types of muscles?
Definition
Voluntary and Involuntary 337
Term
Structurally, what are the 2 types of muscle?
Definition
Striated and Smooth 337
Term
Which voluntary muscle is used the most in day-to-day activites?
Definition
Skeletal Muscle 337
Term
What is the structure and function of skeletal muscle?
Definition
Striated voluntary 337
Term
Has contractile ability, ability to generate electrical impulses, and is the muscle with the heart consist of.
Definition
Cardiac Muscle 337
Term
What is the structure and function of cardiac muscle?
Definition
Striated involuntary 337
Term
Muscle that lines most glands, digestive organs, lower airways, and vessels.
Definition
Smooth Muscle 337
Term
Characterized by its ability to transmit nerve impulses.
Definition
Nerve tissue 337
Term
What is the structure and function of smooth muscle?
Definition
Nonstriated involuntary 337
Term
Consists of the brain and spinal cord.
Definition
Central Nervous System (CNS) 337
Term
Extend from the brain and spinal cord, exiting from between the vertebrae to various parts of the body.
Definition
Peripheral Nerves 337
Term
What is the main conducting cell of nerve tissue?
Definition
Neurons 337
Term
Which cell body is the site of most cellular function?
Definition
Neuron 337
Term
Receive electrical impulses from the axons of other nerve cells and conduct them toward the cell body.
Definition
Dendrites 337
Term
Typically conduct electrical impulses away from the cell body.
Definition
Axons 337
Term
Has only one axon but may have many dendrites.
Definition
Neurons 337
Term
What is the gap called that seperate nerve cells?
Definition
Synapse 337
Term
Carry the impulse from the axon to the dendrite.
Definition
Neurotransmitters 337
Term
What else is homeostasis called?
Definition
Dynamic Steady State 337
Term
Adaptive responses to various stimuli allow the cells and tissues to respond and function in stressful environments, in a constant effort to preserve a degree of stability or equilibrium.
Definition
Homeostasis 337
Term
Normal cell depth.
Definition
Apoptosis 337
Term
Process in which older cells are eliminated and replaced by newer cells.
Definition
Physiologic Cell Turnover 337
Term
Cells communicate electronically through a process in which they release molecules (such as hormones) that bind to protein receptors on the cell surface.
Definition
Cell Signaling 337
Term
The concept that once the desired effort of a process has been achieved, further action is inhibited until it is needed again.
Definition
Negative Feedback or Feedback Inhibition 337
Term
Associated with the sympathetic nerves and are stimulated by epinephrine and norepinephrine. Causes a sympathetic response, such as vasoconstriction or vasodilation.
Definition
Adrenergic Receptors 337
Term
Responds to changes in pressure, usually within the heart or the main arteries.
Definition
Baroreceptors 337
Term
Sense changes in the chemical composition of the blood, especially reduced oxygen levels and elevated carbon dioxide levels.
Definition
Chemoreceptors 337
Term
What are the 5 primary mechanisms that help the body reduce excess temperature?
Definition
Convection, Conduction, Radiation, Evaporation, and Respiration 338
Term
Going how many days without water can be life threatening?
Definition
3 Days 339
Term
What percentage of total body fluid loss in a healthy adult would upset homeostasis and produce symptoms of illness?
Definition
More than 30% 339
Term
What percentage of total body fluid loss in a small child would upset homeostasis and produce symptoms of illness?
Definition
10-15% 339
Term
Molecules that bind to receptors in the body to form more complex structures.
Definition
Ligands 339
Term
What are ligands called that are produced by the body?
Definition
Endoenous Ligands 339
Term
What are ligands called that are administered by drugs?
Definition
Exogenous Ligands 339
Term
Substances formed in tiny amounts by one specialized organ or group or cells and then carried to another organ or group of cells in the same organism to perform regulatory functions.
Definition
Hormones 339
Term
Adrenocorticotropic hormone, produced by the anertior pituitary gland,stimulates the adrenal glands to secrete what?
Definition
Cortisol 339
Term
Hormones such as thyroid hormone and adrenal steroids are carried to their target organ or cell group in the blood.
Definition
Endocrine Hormones 339
Term
Hormone that reach their target via duct that opens into an organ.
Definition
Exocrine Hormones 339
Term
What are examples of exocrine secretions?
Definition
Stomach Acids and perpiration 339
Term
Hormone released during allegic and inflammatory reactions.
Definition
Histamine 339
Term
Hormone such as histamine, diffuse through intracellular spaces to reach their target.
Definition
Paracrine Hormones 339
Term
A hormone that acts on the cell from which it has been scereted.
Definition
Autocrine Hormone 339
Term
Proteins that affect signals between cells of the nervous system.
Definition
Neurotransmitters 339
Term
A neurotransmitter which aids in the movement of nerve impulses from neuron to neuron.
Definition
Acetylcholine 339
Term
Dissolved mineral salts that dissociate in solution, yielding ions.
Definition
Electrolytes 339
Term
Atoms that have become positively or negatively charged by giving up or aquiring an electron.
Definition
Ion 339
Term
Positively charged ions.
Definition
Cations 339
Term
Negatively charged ions.
Definition
Anions 339
Term
A decrease in cell size due to a loss of subcellular components, which in turn leads to a decrease in the size of the tissue and organ. The decreased size represents an attempt to cope with a new steady state in less-than-favorable conditions or a lack of use.
Definition
Atrophy 340
Term
A casted, immobilized limb shrinks in muscle mass as a result of what?
Definition
Disuse Atrophy 340
Term
An increase in the actual number of the cells due to synthesis of more subcellular components, which in turn leads to an increase in tissue and organ size.
Definition
Hyertrophy 340
Term
An increase in the actual number of cells in an organ or tissue, usually resulting in an increase in the size of the organ or tissue.
Definition
Hyperplasia 340
Term
An alteration of the size, shape, and organization of the cell. Most often found in epithelial cells that have undergone irregular, atypical changes in response to chronic irratation or inflammation.
Definition
Dysplasia 340
Term
Refers to the reversible cellular adaptation in which one adult cell type is replaced by another adult cell type.
Definition
Metaplasia 340
Term
Refers to the distribution of cells, molecules, and fluids throuhout the body. Changes with aging, exercise, pregnancy, medications, disease, and injury.
Definition
Cellular Environment 340
Term
What percentage of the total body weight is fluid or total body water?
Definition
Approximately 50-70% 340
Term
What will happen to the left ventricle with chronic high resistance pressure from hypertension?
Definition
Hypertrophy 340
Term
What does a callus represent?
Definition
Hyperplasia 340
Term
A keratinized layer of the epidermis of the foot in response to increased friction or trauma.
Definition
Callus 340
Term
What is strongly associated with exposure to certain human papillomaviruses in women?
Definition
Cervical Dysplasia 340
Term
The ciliated epithelium in the airways of smokers may be replaced by metaplastic epithelium.
Definition
Squamous Metaplasia 340
Term
In an average man, fluid accounts for how much total body weight?
Definition
60% 340
Term
In an average woman, fluid accounts for how much total body weight?
Definition
50% 340
Term
Body fluid is classified into 2 main types.
Definition
Intracellular and Extracellular 340
Term
Intracelluar fluid accounts for what percentage of body weight?
Definition
45% 340
Term
Extracelluar fluid accounts for what percentage of body weight?
Definition
15% 340
Term
In terms of the total body water volume-compared with body weight-approximately how much of the body fluid is intracellular?
Definition
75% 340
Term
In terms of the total body water volume-compared with body weight-approximately how much of the body fluid is extracellular?
Definition
25% 340
Term
Surrounds tissue cells and includes cerebrospinal fluid and synovial fluid.
Definition
Interstitial Fluid 340
Term
Interstitial fluid accounts for what percentage of body weight?
Definition
10.5% 340
Term
Found within the blood vessels but outside the cells.
Definition
Intravascular Fluid 340
Term
Intravascular fluid accounts for what percentage of body weight?
Definition
4.5% 340
Term
How much fluid does the average adult take in per day?
Definition
2500 mL 340
Term
How much of fluid intake occurs by drinking?
Definition
60% 340
Term
How much of fluid intake comes from waters in foods, such as fruit?
Definition
30% 340
Term
How much of fluid intake is a by-product of cellular metabolism?
Definition
10% 340
Term
How much water is lost in the form of urine?
Definition
60% 340
Term
How much water is lost through the lungs (via respiration) and the skin?
Definition
28% 340
Term
How much water is lost in the form of feces?
Definition
6% 340
Term
How much water is lost through sweating?
Definition
6% 340
Term
What is water?
Definition
Solvent 341
Term
What is dissolved particles?
Definition
Solutes 341
Term
Movement of a substance by diffusion from an area of higher concentration to an area of lower concentration.
Definition
Passive Transport 341
Term
The easing of the passage of a substance from an area of higher concentration to an area of lower concentration by a transport (helper) molecule within the membrance.
Definition
Facilitated Diffusion 341
Term
The movement of a solvent, such as water, from an area of higher concentration through a selectively permeable membrance to equalize the solute concentration on both sides of the membrane.
Definition
Osmosis 341
Term
The movement of water and a dissolved substance from an area of high pressure to an area of low pressure.
Definition
Filtration 341
Term
Movement via transport molecules,or pumps, that require energy to move substances from an area of low concentration to an area of high concentration.
Definition
Active Transport 341
Term
At birth, a healthy, full-term infant has how much total body water?
Definition
About 80% 340
Term
What is an infant's total body water?
Definition
Around 70% 340
Term
What is a child's total body water?
Definition
Around 60% 340
Term
What is the total body water in adulthood?
Definition
50-60% 340
Term
What is the total body water in older people?
Definition
Around 45% 340
Term
How does water move between intracellular and extracellular fluid?
Definition
Osmosis 341
Term
The movement of water or another solvent across a membrane from a region of high water concentration (or low solute concentration) to one of lower water concentration (or higher solute concentration).
Definition
Osmosis 341
Term
Develops when 2 solutions of different concentrations are seperated by a semipermeable membrane.
Definition
Osmotic Pressure 341
Term
The solution with a higher solute concentration has a higher osmotic pressure.
Definition
Hypertonic Solution 341
Term
The solution with a lower solute concentration has a lower osmotic pressue.
Definition
Hypotonic Solution 341
Term
Solutions with equal solute concentratons (such as normal saline and lactated Ringer's solution).
Definition
Isotonic Solution 341
Term
Plasma makes up how much of blood?
Definition
55% 341
Term
What is the percentage of water in plasma?
Definition
91% 341
Term
What is the plasma protein percentage of plasma?
Definition
9% 341
Term
Which plasma protein maintains osmotic pressure?
Definition
Albumin 341
Term
What plasma proteins are responsible for clotting?
Definition
Globulin, Fribrinogen, and Prothrombin 341
Term
Water moves between plasma and interstitial fluid according to these principles.
Definition
Starling Hypothesis 341
Term
The equilibrium between the capillary and the interstitial space is controlled by four forces.
Definition
Capillary Hydrostatic Pressure, Capillary Colloidal Osmotic Pressure, Tissue Hydrostatic Pressure, and Tissue Colloidal Osmotic Pressure 341-342
Term
Pushes water out of the capillary into the interstitial space. Because the pressure is higher on the arterial end than the venous end, more water is pushed out of the capillary on the arterial end and more water is reabsorbed on the venous end.
Definition
Capillary Hydrostatic Pressure 342
Term
Generated by dissolved proteins in the plasma that are too large to penetrate the capillary membrane.
Definition
Capillary Colloidal Osmotic Pressure 342
Term
Opposes the passage of fluids from the capillary into the interstitial.
Definition
Tissue Hydorstatic Pressure 342
Term
Draws fluid into te interstitial space.
Definition
Tissue Colloidal Osmotic Pressure 342
Term
Occurs when excess fluid builds up in the interstitial space.
Definition
Edema 342
Term
What is the most common form of edema?
Definition
Peripheral Edema 342
Term
The abnormal accumulation of fluid in the peritoneal cavity.
Definition
Ascites 342
Term
If a person is unable to get out of bed for an extended period, what type of edema might occur?
Definition
Sacral Edema 342
Term
May be caused by long-standing lymphatic obstruction.
Definition
Severe Edema 342
Term
-Inreased capillary hydrostatic pressure
-Decreased colloidal osmotic pressure in the capillaries
-Lymphatic vessel obstruction attributable to infection or to disease of the lymphatic structures or their removal.
Definition
Causes of Edema 342
Term
-Arteriolar dilation (allergic reaction)
-Venous obstruction (hepatic obstruction, heart failure, or thrombophlebitis)
-Increased vascular volume, heart failure patients
-Increased level of adrenocortical hormones
-Prementstrual sodium retention
-Pregnancy
-Environmental heat stress
-Effects of gravity from prolonged standing.
Definition
Causes of Increased Capillary Hydrostatic Pressure 342
Term
-Decreased production of plasma proteins, occurs with liver disease or severe protein deficiency.
-Increased loss of plasma proteins attributable to protein-losing kidney disease, extensive burns, or other causes
Definition
Causes of Decreased Colloidal Osmotic Pressure in the Capillaries 342
Term
Diuretics, nitrates, continuous positive airway pressure, high-flow oxygen, and advanced airway placement.
Definition
Edmema Treatment 342
Term
A complex feedback mechanism responsible for the regulation of sodium in the body by the kidneys.
Definition
Renin-angiotensin-aldosterone system (RAAS) 342
Term
What are the 2 most important factors in maintaining water balance in the body?
Definition
Thirst Mechanism and Release of Antidiuretic Hormone (ADH)(Vasopressin) 342
Term
The body's state of hydration is monitored continuously by 3 types of receptors.
Definition
Osmoreceptors, Volume-sensitive Receptors, and Baroreceptors 342
Term
Monitor extracellular fluid osmolarity. Sensors for these receptors are located primarily in the hypothalamus. When the extracellular fluid osmolarity is too high, they stimulate the production of ADH.
Definition
Osmoreceptors 342
Term
Located in the atria. When the intravascular fluid volume increases, the atria are stretched, leading to the release of atrial natriuretic proteins.
Definition
Volume-sensitive Receptors 342
Term
Found primarily in the carotid artery, aorta, and kidneys. They are sensitive to change in blood pressure.
Definition
Baroreceptors 342
Term
The concentration of osmotically active particles in solution expressed as osmoles of solute per liter of solution.
Definition
Osmolarity 342
Term
What stimulates the kidneys to resorb water, decreasing the osmolarity of blood?
Definition
ADH 342
Term
What is the most common cation in the body?
Definition
Sodium 342
Term
An average adult has how much sodium for each kilogram of body weight?
Definition
60 mEq 342
Term
Most of the body's sodium is found here?
Definition
Extracellular Fluid 342
Term
Transported out of the cell by the sodium-potassium pump because a resting cell membrane is relatively impermeable to sodium.
Definition
Intracellular Sodium 342
Term
Sodium also has an important role in the regulation of the body's acid-base balance.
Definition
Sodium Bicarbonate Buffer System 342
Term
How much sodium at a minimum does the body need?
Definition
500 mg/d 342
Term
How much sodium does the average adult ingest?
Definition
3400 mg/d 343
Term
What the recommended sodium intake per the american heart association?
Definition
1500 mg/d 343
Term
What is the sodium level primarily regulated by?
Definition
RAAS and Natriuretic Peptides 343
Term
A type of protein that causes excretion of sodium, amoung other effects, which ultimately helps regulate blood pressure and volume.
Definition
Natriuretic Peptides 343
Term
A complex feedback mechanism responsible for the kidney's regulation of the sodium level in the body.
Definition
Renin-Angiotensin-Aldosterone System (RAAS) 343
Term
What happens when there is excess amount of sodium?
Definition
Excreted into Urine 343
Term
What happens when the body's sodium level is low?
Definition
Kidneys Resorb Sodium 343
Term
A protein that is released by the kidneys into the bloodstream in response to changes in blood pressure, blood flow, the amount of sodium in the tubular fluid, and the glomerular filtration rate.
Definition
Renin 343
Term
What does renin convert the plasma protein angiotensinogen into?
Definition
Angiotensin I 343
Term
In the lungs, what does angiotensin I rapidly convert to by angiotensin-converting enzyme?
Definition
Angiotensin II 343
Term
What stimulates sodium resorption by the renal tubules?
Definition
Angiotensin II 343
Term
Angiotensin II is also responsible for stimulating the secretion of the adrenal hormone.
Definition
Aldosterone 343
Term
Acts on the kidneys to increase the reabsorption of sodium into the blood and enhance the elimnation of potassium in the urine.
Definition
Aldosterone 343
Term
Stimulated by an increased extracellular potassium level, a decreased extracellular sodium level, and release of adrenocorticotropic hormone from the pituitary gland.
Definition
Aldosterone Release 343
Term
An important anion that makes table salt when combined with sodium.
Definition
Chloride 344
Term
It assists in regulating the acid-base balance, especially the pH of the stomach, and is involved in the osmotic pressure of the extracellular fluid.
Definition
Chloride 344
Term
Refers to the tension exerted on a cell as a result of water movement across the cell membrane.
Definition
Tonicity 344
Term
A decrease in extracellular fluid with proportionate losses of sodium and water.
Definition
Isotonic Fluid Deficit 344
Term
A proportionate increase in sodium and water in the extracellular fluid compartment; common causes include kidney, heart, and liver failure.
Definition
Isotonic Fluid Excess 344
Term
Decrease urine output.
Definition
Oliguria 344
Term
Clinically defined as a serum sodium level more than 145 mEq/L
Definition
Hypernatremia 344
Term
A hypertonic fluid deficit is caused by excess body water loss without a proportionate sodium loss (a relative water loss exists).
Definition
Hypernatremia 344
Term
A hypotonic fluid deficit is caused by excessive sodium loss with less water loss (a relative water excess exists).
Definition
Hyponatremia 344
Term
Characterized by a serum sodium level less than 135 mEq/L
Definition
Hyponatremia 344
Term
The major intracellular cation, is critical to many functions of the cell.
Definition
Potassium 344
Term
Defined as a decreased serum potassium level.
Definition
Hypokalemia 344
Term
May occur with a very low level of potassium (<2.5 mLq/L).
Definition
Flaccid Paralysis, Hyporeflexia, and Tetany 344
Term
Shows decreased amplitude and broadening of T waves, prominent U waves, premature ventricular contraction and other dysrhythmias (such as torsades de pointes), and depressed ST segements.
Definition
Hypokalemia ECG 344
Term
Elevated serum potassium level.
Definition
Hyperkalemia 344
Term
Include peaked T waves, widening of the QRS complex, and dysrhythmias such as ventricular tachycardia.
Definition
Hyperkalemia ECG 344
Term
Shift potassium into the cells during a 15-to 30-minute period.
Definition
Bicarbonate, Insulin, and Albuterol 344
Term
Can be life threatening because of its cardiac manifestatons; therefore, it should be treated in the prehospital setting.
Definition
Hyperkalemia 344
Term
Administered intravenously immediately antagonizes cardiac conduction abnormalities.
Definition
Calcium 344
Term
Where is the majority (98%) of the body's calcium found?
Definition
Bones and Teeth 344
Term
Largely obtained through exposure to sunlight, stored in the bone, and ultimately excreted by the kidney.
Definition
Vitamin D 345
Term
What is the normal serum calcium level?
Definition
8.5-10.5 mg/dL 345
Term
Decreased serum calcium level.
Definition
Hypocalcemia 345
Term
Increased serum calcium level.
Definition
Hypercalcemia 345
Term
Frequent urination.
Definition
Polyuria 345
Term
Primarily an intracellular anion and is essential to many body functions.
Definition
Phosphate 345
Term
Characterized by a decrease in the level of serum phosphate.
Definition
Hypophosphatemia 345
Term
Breakdown of muscle fibers.
Definition
Rhabdomyolysis 346
Term
Increased serum phosphate level.
Definition
Hyperphosphatemia 346
Term
The second most abundant intracellular cation.
Definition
Magnesium 346
Term
How much of the body's magnesium is stored in the bones?
Definition
50% 346
Term
How much of the body's magnesium is stored in the body cells?
Definition
49% 346
Term
How much of the body's magnesium is stored in the extracellular fluid?
Definition
1% 346
Term
What is the normal range of serum magnesium?
Definition
1.5-2 mEq/L 346
Term
Decreased serum magnesium level.
Definition
Hypomagnesemia 346
Term
Increased serum magnesium level.
Definition
Hypermagnesemia 346
Term
It is almost always the result of kidney insufficiency and the inability to excrete the amount of magnesium taken in from food or drugs, especially antacids and laxatives.
Definition
Hypermagnesemia 346
Term
Any molecule that can give up a hydrogen ion (H+).
Definition
Acid 347
Term
Any molecule that can accept a hydrogen ion (OH-)
Definition
Base or Alkali 347
Term
Measurement of the level of its acidity or alkalinity.
Definition
pH of a solution 347
Term
Can disrupt the acid-base balance.
Definition
Hypo/Hyperventilation and hypoxia 347
Term
Cellular function deteriorates and death occurs when the pH is what?
Definition
Below 6.9 and Above 7.40 347
Term
An increase in extracellular H+ ions.
Definition
Acidosis 347
Term
A decrease in extracellular H+ ions.
Definition
Alkalosis 347
Term
Molecules or compounds that modulate changes in pH by neutralizing excessive acids or bases.
Definition
Buffers 347
Term
Process of losing a hydrogen atom in the presence of water.
Definition
Dissociates 348
Term
What do buffer systems include?
Definition
Proteins, phosphate ions, and Bicarbonate (Hco3-) 348
Term
What are the 3 primary buffer systems that help the body maintain pH within the optimal range?
Definition
Circulating bicarbonate (Hco3-) buffer component, Respiratory System, and Renal System 348
Term
What is the body's fastest means of restoring acid-base balance?
Definition
-So-Called Blood Buffer
-Bicarbonate Content of Extra + Intracellular Fluid 348
Term
What is the body's most important buffer system?
Definition
Bicarbonate 348
Term
What is most carbon dioxide stored as in the intracellular and extracellular fluid?
Definition
Bicarbonate 348
Term
In the bicarbonate buffer system, excess acid (H+) combines with bicarbonate to form?
Definition
Carbonic Acid 348
Term
What does carbonic acid dissociate into?
Definition
Carbon Dioxide and Water 348
Term
Aside from the circulating bicarbonate buffer component, what is the fastest way the body can eliminate excess H+ ions?
Definition
Create Water and Carbon Dioxide 348
Term
Created when carbon dioxide combines with circulating water in the blood.
Definition
Carbonic Acid 349
Term
What receptors in the brain sense the rising level of carbonic acid and signal the respiratory center to increase respiratory rate in order to reduce the amount of circulating carbon dioxide?
Definition
Chemoreceptors 349
Term
What develops any time a patient is in resiratory distress or is unable to breathe?
Definition
Acidosis 349
Term
Can develop as a result of abnormal respiratory function, including bradynea, tachynea, labored breathing, or shallow breathing (reduced tidal volume)
Definition
Acidosis 349
Term
Can develop if the respiratory rate is too high or the volume too large.
Definition
Alkalosis 349
Term
What filters each molecule, ion, electrolyte in the circulatory system: they maintain homeostasis by retaining certain products and filterng out others?
Definition
Kidneys 349
Term
How long can it take for the renal buffer system to restore the body's normal pH?
Definition
Hours or Days 349
Term
What could happen if a patient's urine output drops?
Definition
Acidosis 349
Term
What happens if urine output becomes excessive?
Definition
Alkalosis 349
Term
Always related to hypoventilation. Attributable to inadequate breathing.
Definition
Respiratory Acidosis 349
Term
Airway obstruction, cardiac arrest, overdose of a CNS depressant such as heroin, Near-drowning (submersion), respiratory arrest, pulmonary edmema, closed head injury, chest trauma, and carbon monoxide poisoning.
Definition
Respiratory Acidosis Causes 349
Term
Systemic or cerebral vasodilation (or both), headaches, red, flushed skin, CNS depression, bradynea, nausea and vomiting, hypercalcemia.
Definition
Signs and Symptoms of Respiratory Acidosis 350
Term
Creates respiratory acidosis over time, as gradual destruction of lung tissue inhibits the exchange of oxygen and carbon dioxide.
Definition
Chronic Obstructive Pulmonary Disease (COPD) 350
Term
Always caused by hyperventilation.
Definition
Respiratory Alkalosis 350
Term
Hyperventilation accompanied by carpopedal spasm is the classic sign of what?
Definition
Respiratory Alkalosis 350
Term
Drug overdose, especially aspirin, fever, and overzealous bvm.
Definition
Causes of Hyperventilation and Respiratory Alkalosis 350
Term
Diminished LOC, Light-headedness, caropedal spasm, tingling lips and face, chest tightness, confusion, vertigo, blurred vision, hypocalcemia, nausea and vomiting.
Definition
Signs and Symptoms of Respiratory Alkalosis 350
Term
Any acidosis that is not related to the respiratory system.
Definition
Metabolic Acidosis 351
Term
What are deep, closely spaced, and sighing breaths?
Definition
Kussmaul Respirations 351
Term
Lactic acidosis, ketoacidosis, aspirin overdose (acetylsalicylic acid), alcohol ingestion, and gastrointestinal losses.
Definition
Metabolic Acidosis Causes 351
Term
Caused by anaerobic cellular respiration due to hypoperfusion of tissues and organs, as seen in shock and cardiac arrest.
Definition
Lacic Acidosis 351
Term
Develops when cells are forced to switch to begin metabolizing fatty acids for energy because they are unable to use glucose due to insulin deficiency or desensitization of the cells to insulin.
Definition
Ketoacidosis 351
Term
What are byproducts of fat metabolism and are compounds that are extremely acidic?
Definition
Ketones 351
Term
What constitutes an aspirin overdose in an adult?
Definition
10-30 g 351
Term
The metabolic acidotic state that manifests because of the inadequate nutritional habits associated with chronic alcohol abuse.
Definition
Alcohol Ketoacidosis 351
Term
Vasodilation, headaches, hot, flushed skin, CNS depression, tachynea, nausea and vomiting, hypercalcemia, and cardiac dysrhythmia.
Definition
Signs and Symptoms of Metabolic Acidosis 351
Term
Occurs when there is an excessive loss of acid from increased urine output or from decreased acid level in the stomach.
Definition
Metabolic Alkalosis 351
Term
It is rarely seen as an acute condition, but is common among chronically ill patients, especially patients undergoing nasogastric suctioning.
Definition
Metabolic Alkalosis 351
Term
Sustained muscle contractions.
Definition
Tetany 351
Term
What is the compensatory mechanism for metabolic alkalosis?
Definition
Respiratory System 351
Term
Confusion, muscle tremors and cramps, bradypnea, and hypotension
Definition
Signs and Symptoms of Metabolic Alkalosis 352
Term
Involves a low pH, an elevated pco2 level, and a low Hco3- level. Occurs when both respiratory and metabolic acidosis are present at the same time.
Definition
Mixed Acidosis 352
Term
Severe trauma, cardiogenic shock, or a drug overdose are common situation where this may occur.
Definition
Mixed Acidosis 352
Term
Involves an elevated pH, a low pco2 level, and an elevated Hco3- level. May occur when 2 seemingly unrelated medical issues manifest at the same time.
Definition
Mixed Alkalosis 352
Term
What is lack of oxygen?
Definition
Hypoxia 352
Term
What is lack of blood supply?
Definition
Ischemia 352
Term
Cells that are hypoxic for more the a few seconds produce _______ (substances) that may damage other local or distant body locations.
Definition
Mediators 352
Term
What are molecules that are missing one electron in their outer shell?
Definition
Free Radicals 353
Term
The earliest and most dangerous mediators produced by cells in response to hypoxia.
Definition
Free Radicals 352
Term
What induces cell hypoxia by blocking oxidative phosphorylation in the mitochondria and preventing the metabolism of oxygen?
Definition
Cyanide 353
Term
What blocks an enzyme acetylcholinesterase, thereby preventing proper transmission of nerve impulses?
Definition
Pesticides 353
Term
What binds to hemoglobin, preventing adequate oxygenation of the tissues?
Definition
Carbon Monoxide 354
Term
Occurs as a result of an invasion of bacteria, fungi, or viruses.
Definition
Infectious Injury to Cells 354
Term
What may cause injury by direct action on cells or by production of toxins?
Definition
Bacteria 354
Term
What often initiate an inflammatory response that leads to cell damage and patient symptoms?
Definition
Viruses 354
Term
What measures the disease-causing ability of a microorganism?
Definition
Virulence 354
Term
What are white blood cells that engulf and consume foreign material such as microorganisms and cellular debris?
Definition
Phagocytes 354
Term
Many bacteria have a ______ that protects them from ingestion and destruction by phagocytes.
Definition
Capsule 354
Term
What bacteria lacks a capsule, yet stubbornly resist destruction and can be transported by phagocytes throghout the entire body?
Definition
Mycobacterium Tuberculosis 354
Term
What are bacteria that resist decolorization and retain the purple stain?
Definition
Gram-positive 354
Term
Bacteria that have been decolorized and accept the red counterstain.
Definition
Gram-negative 354
Term
What is a dried, fixed suspension of bacteria, prepare on microscopic slide, is stained first with a purple dye and then iodine solutin?
Definition
Gran Staining 354
Term
What bacteria are distinguished by thick cell walls composed of many layers of peptidoglycan (amino acid and suar)?
Definition
Gram-Positive Bacteria 354
Term
What bacteria's cell walls consist largely of lipids?
Definition
Gram-Negative Bacteria 354
Term
Which bateria can cause the bubonic plague?
Definition
Gram-Negative Bacteria 354
Term
Staphylococci, streptococci,and Clostridium tetani secrete __________ into the medium surrounding the cell.
Definition
Exotoxins 354
Term
Are produced within the cell and released into surroundng tissues or fluid (blood or lymph). They are poisonous and their actions vary depending on the organism.
Definition
Exotoxins 354
Term
Which toxin damages nervous tissue?
Definition
Neurotoxins 354
Term
Which toxin affect the tissues of the GI tract?
Definition
Enterotoxins 354
Term
Which toxin damages a variety of host tissues?
Definition
Cytotoxins 354
Term
Which toxin is sometime used for vaccines?
Definition
Inactive Exotoxins 354
Term
Lipopolysaccharides that are part of the cell wall of gram-negative bacteria.
Definition
Endotoxins 354
Term
What may develop if there are large amounts of endotoxins in the body?
Definition
Septic Shock 354-355
Term
Which toxin remains active even after the bacteria is destroyed?
Definition
Endotoxins 355
Term
White blood cells release endogenous ________, which then cause a fever to develop.
Definition
Pyrogens 355
Term
What is the body's most common reaction to the presence of bacteria?
Definition
Inflammation 355
Term
What is the presence of bacteria in the blood?
Definition
Bacteremia 355
Term
A systemic disease, which may be life threatening, caused by the proliferation of microorganisms (or their toxins) in the blood.
Definition
Septicemia (Sepsis) 355
Term
Amoung the most common causes of afflictions and they are intracellular parasites that take over the metabolic processes of the host cell and use the cell to help them replicate.
Definition
Viruses 355
Term
Protective coat that surrounds the viral core and protects the virus from phagocytosis?
Definition
Capsid 355
Term
What is the additional protective coat on a virus called?
Definition
Envelope 355
Term
A protective response that can occur even without bacterial invasion.
Definition
Inflammation 355
Term
Characterized by an invasion of microorganisms that causes cell or tissue injury, which leads to inflammatory response?
Definition
Infection 355
Term
A reaction by tissues of the body to irritation or injury, characterized by pain, swelling, redness, and heat.
Definition
Inflammatory Response 355
Term
Occurs because the extravasation (leakage)of plasma from the dilated and more permeable vessels cause the volume of fluid in the inflammed tissue to increase.
Definition
Swelling 355
Term
What is the increase in number of leukocytes in the blood?
Definition
Leukocytosis 355
Term
The liver produces several proteins that are released into the bloodstream in response to injury or inflammation.
Definition
Acute Phase Proteins 355
Term
What is the best known acute phase protein?
Definition
C-Reactive 355
Term
Often measured to monitor the activity of disease characterized by tissue inflammation.
Definition
C-Reactive Protein 355
Term
What replaces large areas of tissue destruction?
Definition
Scar Tissue 355
Term
What protects the body by providing defenses to attack and remove foreign organism such as bacteria and viruses?
Definition
Immune System 356
Term
What is normal cell death?
Definition
Apoptosis 356
Term
Apoptosis can be activated prematurely by pathologic factors such as ________.
Definition
Cell Injury 356
Term
Dying cells form lumps of chromatin known as __________.
Definition
Councilman Bodies 356
Term
What is uncontrolled synovial tissue proliferation?
Definition
Rheumatoid Arthritis 356
Term
What is the result of the morphologic changes that occur following cell death in living tissues?
Definition
Necrosis 356
Term
Refers to areas of necrosis where the gross and microscopic tissue and some of the cells are recognizable.
Definition
Simple Necrosis 357
Term
Includes caseation necrosis, dry gangrene, fat necrosis, and liquefaction necrosis.
Definition
Derived Necrosis 357
Term
Manifested by the loss of all features of the tissues and cells, so that they resemble chees when viewed through a microscope.
Definition
Caseation Necrosis 357
Term
Results from invasion and putrefaction of necrotic tissue, after the blood supply is compromised and the tissue undergoes coagulation necrosis.
Definition
Dry Gangrene 357
Term
Results from the destruction of fat cells, usually by enzymes (such as pancreatic protease and lipases).
Definition
Fat Necrosis 357
Term
Results from coagulation necrosis followed by conversion of tissue into a liquid form and invasion by putrefying bacteria that grow rapidly in a warm moist environment.
Definition
Liquefaction Necrosis 357
Term
What is a disease which the colon does not form properly, resulting in partial blockage?
Definition
Malrotation of the Colon 357
Term
What is a condition in which the aortic valve becomes very tight and narrowed, resulting in chest pain from decreased perfusion of the coronary arteries or CHF?
Definition
Aortic Stenosis 357
Term
Exposure to an agent that triggers an abnormal immune response against myelin?
Definition
Multiple Sclerosis 357
Term
Who are more prevalent to Lung cancer, gout, and Parkinson?
Definition
Men 357
Term
Who are more likely to have Osteoporosis, rheumatoid arthritis, and breast cancer?
Definition
Women 357
Term
What are most sex-linked disorders?
Definition
X Linked 357
Term
What are risk factors that can directly cause a disease to develop?
Definition
Causal Risk Factors 357
Term
What are risk factors that are associated with the risk for a disease but not a direct cause?
Definition
Noncausal Risk Factors 357
Term
What is an example of a causal risk factor?
Definition
Mycobacterium Tuberculosis 357
Term
What is an example of a noncausal risk factor?
Definition
Poverty 357
Term
The number of new cases of a disease in a population.
Definition
Incidence 357
Term
Refers to the number of cases of a disease or condition in a particular population within a particular period.
Definition
Prevalence 357
Term
Refers to the presence of disease or to the incidence or prevalence of a disease.
Definition
Morbidity 357
Term
Number of deaths from a disease in a given population, expressedas a proportion.
Definition
Mortality 357
Term
Passed through generations by inheritance of a gene.
Definition
True Genetic Risk 358
Term
Diseases that seem to cluster in family groups despite lack of evidence for heritable gene-associated abnormalities.
Definition
Familial Tendency 358
Term
A pattern of inheritance that involves genes located on autosomes (any chromosome other than sex chromosomes).
Definition
Autosomal Recessive 358
Term
Causes the accumulation of too much iron in the body.
Definition
Hemochromatosis 358-359
Term
A person needs to inherit only one copy of a particular form of a gene to show that trait; it does not matter which form of gene is inherited from the other parent.
Definition
Autosomal Dominant 359
Term
Place people at extremely high risk for the development of colon cancer, has an autosomal dominant pattern of inheritance.
Definition
Familial Adenomtous Polyposis 359
Term
Diseases that are caused by hyperactivity or hypoactivity of the immune system.
Definition
Immunologic 359
Term
What kind of disease are Allergies, asthma, and rheumatic fever?
Definition
Immunologic diseases 359
Term
What is aquired following initial exposure to a stimulant, known as an allergen?
Definition
Allergies 359
Term
Any substance that causes a hypersensitivity reaction.
Definition
Allergen 359
Term
What is a person called who is said to have an allergic tendency?
Definition
Atopic 359
Term
What is a chronic inflammatory condition resulting in intermittent wheezing and excess mucus production?
Definition
Asthma 359
Term
What percet of asthma attacks are caused by viral infections?
Definition
Nearly 60% 359
Term
Allergies account for what percentage of asthma attacks?
Definition
20% 359
Term
What percent of asthma attacks occur because of stress and emotion?
Definition
20% 359
Term
Inflammatory disease that occurs primarly in children. Results from a delayed reaction to an untreated streptococcal infection of the upper respiratory tract (strep throat).
Definition
Rheumatic Fever 359
Term
What includes a large number of malignant growths (neoplasms)?
Definition
Cancer 359
Term
What is the extent of spread of cancer?
Definition
Metastasis 359
Term
Which cancer is the leading cause of death due to cancer in the United States?
Definition
Lung Cancer 359
Term
How many new cases of breast cancer occur each year?
Definition
178,700 359
Term
How many deaths does breast cancer account for each year in the United States?
Definition
48,000 359
Term
Women whose first-degree relative had breast cancer are how much more likely to have the disease?
Definition
2.1 times 359
Term
Approximately ____ of patients with breast cancer have a pattern of autosomal dominant inheritance.
Definition
5-10% 359
Term
What is the 3rd most common type of cancer in men and women?
Definition
Colorectal Cancer 360
Term
How many deaths does colorectal cancer account for each year?
Definition
55,000 360
Term
How many new cases of colorectal cancer occur each year?
Definition
131,600 360
Term
What is one of the most significant endocrine diseases?
Definition
Diabetes Mellitus 360
Term
This chronic disorder of metabolism is associated with partial insulin secretion or toatl lack of insulin secretion by the pancreas, which in turn affects te body's ability to use glucose.
Definition
Diabetes Mellitus 360
Term
Insulin-dependent because the patient needs exogenous insulin to survive.
Definition
Ketoacidosis-prone (Type 1) Diabetes 360
Term
Non-insulin-dependent, even though many people require exogenous insulin injections.
Definition
Non-Ketoacidosis-Prone (Type 2) Diabetes 360-361
Term
What is characterized by increased destruction of the red blood cells?
Definition
Hemolytic Anemia 361
Term
What is an inherited disorder characterized by excessive bleeding?
Definition
Hemophilia 361
Term
Which blood clotting factor is usually missing in hemophilia?
Definition
Factor VIII (8) 361
Term
An inherited (autosomal recessive) disease in which the body absorbs more iron than it needs.
Definition
Hemochromatosis 361
Term
What is regularly drawing blood called?
Definition
Phlebotomy 362
Term
A cardiac conduction system abnormality characterized by prolongation of the QT interval on the ECG.
Definition
Long QT Syndrome 362
Term
A general term for disease of the myocardium (heart muscle) that ultimately progress to heart failure, AMI, or death.
Definition
Cardiomyopathy 362
Term
Referred to as floppy mitral valve and the valve leaflets ballon into the left atrium during systole.
Definition
Mitral Valve Prolapse (MVP) 362
Term
How many men are affect by mitral valve prolapse?
Definition
2.5% 362
Term
How many women are affect by mitral valve prolapse?
Definition
7.6% 362
Term
What is it called when a large amount of blood leaks backward through the defective mitral valve?
Definition
Mitral Regurgitation 362
Term
Can lead to thickening or enlargement of the heart wall, caused by the extra pumping of the heart to make up for the backflow of blood.
Definition
Mitral Regurgitation 362
Term
Caused by impaired circulation to the heart. Typically, patients have occluded coronary arteries from atherosclerotic plaque buildup.
Definition
Coronary Heart Disease or Coronary Artery Disease 362
Term
What are almost half of all cardiovascular deaths caused from?
Definition
Coronary Heart Disease 362
Term
What is an elevation of the blood cholesterol level?
Definition
Hypercholesterolemia 362
Term
High-density lipoprotein (HDL)
Definition
Good Cholesterol 362
Term
Low-Density Lipoprotein (LDL)
Definition
Bad Cholesterol 362
Term
Associated with an increased risk of coronary artery disease and is also strongly associated with an increased risk of stoke.
Definition
Hypertension 363
Term
Abnormal accumulation of uric acid due to a defect in metabolism.
Definition
Gout 363
Term
Small masses of uric acid or calcium salts that form in any part of the urinary system (kidney, ureter, or bladder).
Definition
Kidney Stones 363
Term
Caused by defects in the function of the bowel wall that prevent adequate nutrient absorption.
Definition
Malabsorption Disorders 364
Term
Caused by a defect or deficiency of the enzyme lactase, resulting in an inability to digest lactose (milk sugar).
Definition
Lactose Intolerance 364
Term
How many people does lactose deficiency affect?
Definition
30-50 Million United State and 3/4 Worlds Population 364
Term
A serious chronic inflammatory disease of the large intestine and rectum.
Definition
Ulcerative Colitis 364
Term
A serious chronic inflammatory condition affecting the colon and/or the terminal portion of the small intestine.
Definition
Crohn Disease 364
Term
What are patients at an increased risk of developing with ulcerative colitis?
Definition
Colon Cancer 364
Term
Characterized by circumscribed erosions (ulcerations) of the mucous membrane lining of the GI tract-specifically, in the esophagus, stomach, duodenum, or jejunum.
Definition
Peptic Ulcer Disease 364
Term
What bacterium is a major contributor to the development of peptic ulcer disease?
Definition
Helicobacter Pylori 364
Term
Stonelike masses in the gallbladder or its ducts caused by precipitation of substances contained in bile (cholesterol and bilirubin).
Definition
Gallstones (choleliths) 364
Term
An unhealthy accumulation of body fat, and is defined as a body mass index of greater than or equal to 30 kg/m.
Definition
Obesity 364
Term
How much on average does obesity decrease a persons life span?
Definition
8-13 years 364
Term
Approximately how many adults in the United States are obese?
Definition
1/3 364
Term
Approximately how many children and adolescents are obese in the United States?
Definition
17% 364
Term
Defined as a body mass index of greater than or equal to 40 kg/m.
Definition
Morbid Obesity 364
Term
Defined as a body mass index of 25-29.9 kg/m.
Definition
Overweight 364
Term
What are Huntington Disease, Muscular Dystrophy, Multiple Sclerosis, and Alzheimer Disease?
Definition
Neuromuscular Disorders 365
Term
Involuntary rapid, jerkey motions.
Definition
Chorea 365
Term
A hereditary condition (autosomal dominant) characterized by progessive chorea and mental deterioration, leading to dementia.
Definition
Huntington Disease 365
Term
A generic term for a group of hereditary diseases of the muscular system characterized by weakness and wasting of groups of skeletal muscles, leading to increased disbility.
Definition
Muscular Dystrophy 365
Term
A sex-linked recessive disease (only affecting males).
Definition
Duchnne Muscular Dystrophy 365
Term
Lack of coordination.
Definition
Ataxia 365
Term
A progressive disease in which nerve fibers of the brain and spinal cord lose their protective sheathes of myelin.
Definition
Multiple Sclerosis 365
Term
The disease is characterized by cortical atrophy and loss of neurons in the frontal and temporal lobes of the brain.
Definition
Alzheimer Disease 365
Term
What are 2 of the most important psychiatric disorders?
Definition
Schizophenia and Bipolar Disorder 366
Term
Comprises a group of mental disorders characterized by gross distortions of reality (phychoses), withdrawal from social contacts, and disturbances of thought, language, perception, and emotional response.
Definition
Schizophrenia 366
Term
A mental disorder characterized by episodes of mania and depression.
Definition
Bipolar Disorder 366
Term
______ is defined as the delivery of oxygen and nutrients and removal of wastes from the cells, organs, and tissues by the circulatory system.
Definition
Perfusion 366
Term
______ occurs when the level of tissus perfusion decreases below normal.
Definition
Hypoperfusion 366
Term
In response to hypoperfusion, the body releases________, which produce vasoconstriction and, consequently, increase systemic vascular resistance.
Definition
Catecholamines (Epinephrine and Norepinephrine) 366
Term
An abnormal state associated with inadequate oxygen and nutrient delivery to the metabolic apparatus of the cell, resulting in impairment of cellular metabolism and inadequate perfusion of vital organs.
Definition
Shock 366
Term
From a mechanistic approach, what are the 2 types of shock?
Definition
Central and Peripheral Shock 367
Term
Consists of cardiogenic shock and obstructive shock.
Definition
Central Shock 367
Term
Includes hypovolemic shock and disruptive shock.
Definition
Peripheral Shock 367
Term
Occurs when the heart cannot circulate enough blood to maintain adequate peripheral oxygen delivery.
Definition
Cardiogenic Shock 367
Term
What is the most common type of cardiogenic shock?
Definition
Myocardial Infarction (MI) 367
Term
Occurs when blood flow becomes blocked in the heart or the great vessels.
Definition
Obstructive Shock 367
Term
Diastolic filling of the right ventricle is impaired due to significant amounts of fluid in the pericardial sac surrounding the heart, leading to a decrease in the cardiac output.
Definition
Pericardial Tamponade 367-368
Term
Leads to a false lumen (aortic opening), wtth loss of normal blood flow.
Definition
Aortic Dissection 368
Term
May obstruct flow between the atrium and ventricle and decrease cardiac output.
Definition
Left Atrial Tumor 368
Term
Decreases cardiac output by decreasing venous return.
Definition
Vena Cava Syndrome 368
Term
What is obstruction of the superior or inferior vena cava?
Definition
Vena Cava Syndrome 368
Term
What is a blood clot in the lungs?
Definition
Pulmonary Embolus 368
Term
What is a lung collapse called?
Definition
Tension Pneumothorax 368
Term
The circulating blood volume is insufficient to deliver adequate oxygen and nutrients to the body.
Definition
Hypovolemic Shock 368
Term
What are the 2 types of hypovolemic shock?
Definition
Exogenous and Endogenous 368
Term
What is the most common type of exogenous hypovolemic shock?
Definition
External Bleeding 368
Term
_____ hypovolemic shock occurs when the fluid loss is contained in the body.
Definition
Endogenous 368
Term
Occurs when there is a widespread dilation of the resistance vessels (small arterioles), the capacitance vessels (small venules), or both.
Definition
Disruptive Shock 368
Term
The circulating blood volume pools in the expanded vascular beds, and tissue perfusion decreases. Container.
Definition
Disruptive Shock 368
Term
What are the 3 most common types of disruptive shock?
Definition
Anaphylactic, Septic, and Neurogenic Shock 368
Term
Histamine and other vasodilator proteins are released on exposure to an allergen.
Definition
Anaphylactic Shock (Anapylaxis) 368
Term
What is another name for hives?
Definition
Urticaria 368
Term
Occurs as a result of widespread infection, usually bacteria.
Definition
Septic Shock 369
Term
What happens if septic shock is left untreated?
Definition
Multiple Organ Dysfunction Syndrome (MODS) 369
Term
Usually results from a spinal cord injury.
Definition
Neurogenic Shock 369
Term
In what type of shock is the systolic blood pressure withing the normal range?
Definition
Compensated Shock 369
Term
In what type of shock is the systolic blood pressure less than the fifth percetile for the age?
Definition
Decompensated Shock 369
Term
A test done on the fingernail or toenails by briefly squeezing the toenail or fingernail and evaluating the time it takes for the color to return. Color should return in less than 2 seconds.
Definition
Capillary Refill Time 369
Term
A progressive condition that occurs in some critaically ill patients. It is characterized by the concurrent failure of 2 or more organs or organ systems that were initially unharmed by the acute disorder or injury that caused the patient's current illness.
Definition
Multiple Organ Dysfunction Syndrome (MODS) 369
Term
What are the 6 organ systems used in diagnosing MODS?
Definition
Respiratory, hepatic, renal, hematologic, neurologic, and cardiovascular 369-370
Term
What is the overall mortality rate for MODS?
Definition
60-90% 370
Term
What is the chance of survival for a perons with 2 failing organ systems?
Definition
20-50% 370
Term
What is the mortality rate when 4 or more organ systems become dysfunctional?
Definition
Nearly 100% 370
Term
What is the major cause of death following sepsis, trauma, and burn injuries?
Definition
MODS 370
Term
_____ is a direct result of an insult, such as a pulmonary contusion from striking the chest on the steering wheel during a collision.
Definition
Primary MODS 370
Term
_____ is a slower, more proressive organ dysfunction.
Definition
Secondary MODS 370
Term
What is a potent vasodilator released by th kallikrein-kinin system?
Definition
Bradykinin 370
Term
During a ___ to ___ day period, renal and liver failure can develop in patients with MODS, along with collapse of the gastrointestinal and immune system
Definition
14 to 21 370
Term
A complex organ with a key role in excreting waste and toxins.
Definition
Liver 370
Term
Which organ suffers the most in a patient with MODS?
Definition
Heart 370
Term
Includes all structures and processes associated with the body's defense against foreign substances and disease-causing agents.
Definition
Immune System 370
Term
What are the body's 3 lines of defense?
Definition
Anatomic Barriers, Immune Response, and Inflammatory Response 370
Term
The body's defense reaction to any substance that is recognized foreign and is often directed towards invading microbes, such as bacteria and viruses.
Definition
Immune Response 371
Term
What is the immune responses one type of white blood cell?
Definition
Lymphocytes 371
Term
A network of capillaries, vessels, ducts, nodes, and organs that help maintain the fluid environment of the body by producing lymph and conveying it through the body.
Definition
Lymphatic System 371
Term
What are the 2 anatomic components of the immune system?
Definition
Lympoid Tissue and Cell that are responsible for the Immune System 371
Term
What are the 2 primary lymphoid tissues?
Definition
Bone Marrow and Thymus Gland 371
Term
Specialized soft tissue found within bone.
Definition
Bone Marrow 371
Term
Widespread in the bones of children and is found in some adult bones (sternum and ribs), is essential for formation of mature blood cells; it produces B lymphocytes.
Definition
Red Bone Marrow 371
Term
Originate precursor cells in bone marrow, leave the bone marrow, and mature in the thymus gland.
Definition
T Lymphocytes 371-372
Term
______ lymphoid tissue consist of the lymph nodes and the spleen.
Definition
Encapsulated 372
Term
Are small structures that filter lymph and store lyphocytes; they are concentrated in areas of the body such as the axillae, groin, and neck.
Definition
Lymph Nodes (Lymph Glands) 372
Term
Located on the left side the body, posterior lateral to the stomach (L upper quad); monitors the blood, destroys worn-out red blood cells, and trap foreign invaders.
Definition
Spleen 372
Term
The ______ lymphoid tissues are scattered throughout the body.
Definition
Diffuse 372
Term
A thin, watery fluid that bathes the tissues of the body; it circulates through lymph vessels and is filtered in lymph nodes.
Definition
Lymph 372
Term
_____ capillaries unite to form the lymph vessels, which eventually coalesce and empty their contents into the central venous circulation.
Definition
Lymphatic 372
Term
Where does most lymph empty, via the thoracic duct on the left side of the thorax?
Definition
Superior Vena Cava 372
Term
Clusters of lymphoid tissure and contain immune cells that are in a position to intercept pathogens before they reach the generl population.
Definition
Mucosa-Associated Lymphod Tissue (MALT)372
Term
What is the best known type of mucosa-associated lymphoid tissue?
Definition
Tonsils 372
Term
_____ lymphod tissue is particularly prominent in the GI tract.
Definition
Unencapsulated 372
Term
Tissue that lies just under the inner lining of the esophagus and intestines.
Definition
Gut-Associated Lymphoid Tissue 372
Term
What are white blood cells?
Definition
Leukocytes 372
Term
What are the 5 types of white blood cell?
Definition
Neutrophil, Eosinophil, Basphil, Monocyte, and Lymphocyte 372
Term
Contain histamine granules and other substances that are released during inflammatory and allergic response.
Definition
Basophils 372
Term
They account for fewer than 1% of the leukocytes but are essential to the nonspecific immune response to inflammation because they release histamine and other chemical that dilate blood vessel.
Definition
Basophils 372
Term
Release substances that damage or kill parasitic invaders.
Definition
Eosinophils 372
Term
White blood cells that account for 1-3% of the leukocytes, release chemoactive substances that can trigger severe bronchospasm. They also have a major role in mediating the allergic response.
Definition
Eosinophils 372
Term
The most abundant white blood cells, accounting for 55-70% of the leukocytes.
Definition
Neutophils 372
Term
____ are largely responsible for protecting the body against infection and are key components of the first response to foreign body invasion.
Definition
Neutrophils 372
Term
____ are readily attracted to foreign antigens which they destroy by engulfing and digesting them in a process called phagocytosis.
Definition
Neutrophils 372
Term
The process in which one cell eats or engulfs a foreign substance to destroy it.
Definition
Phagocytosis 372
Term
Mature in the blood during the first 24 hours after they are generated and then travel to the tissues, where they differentiate into macrophages.
Definition
Monocytes 372
Term
Function primarily as scavengers for the tissues.
Definition
Macrophages 372
Term
____ and ____ represent one of the first lines of defense in the inflammatory process.
Definition
Monocytes and Macrophages 372
Term
What are the 2 types of lymphocytes?
Definition
B and T 373
Term
Most are found in the lymphoid tissue, but many are found in circulating lymph and blood as well.
Definition
Lymphocytes 373
Term
____ and their derivatives mediate the acquired immune response.
Definition
Lymphocytes 373
Term
Resemble basophils but do not circulate in blood.
Definition
Mast Cells 373
Term
Cells found in the connective tissue, beneath the skin, in the GI mucosa, and in the mucosal membranes of the respiratory system. Functions relate to allergic reactions, immunity, and wound healing.
Definition
Mast Cells 373
Term
A nonspecific cellular and humoral (antibody) response that operates as the first line of defense against pathogens.
Definition
Natural Immunity 373-374
Term
White blood cells within tissues, produced by differentiation of monocytes. Functions include phagocytosis and stimulating lymphocytes and other immune cells to respond to pathogens; one of the first lines of defense in the inflammatory process.
Definition
Macrophage 373
Term
White blood cells that develop from B cells and produce large volumes of specific antibodies.
Definition
Plasma Cells 373
Term
Cells that mature in the bone marrow where they differentiate into memory cells or immunoglobulin-secreting (antibody) cells. Function including eliminating bacteria, neutralizing bacterial toxins, preventing viral reinfection, and producing immediate inflammatory response.
Definition
B Cells (B Lymphocytes) 373
Term
A type of regulator cell that activates B cells to produce antibodies.
Definition
Helper B Cells 373
Term
A type of B cell that aids quick response to subsequent exposures to an antigen because _____ cells recall the antigen as foreign. These cells rapidly produce antibodies.
Definition
Memory B Cells 373
Term
Cells produced in the bone marrow and which mature in the thymus. Two major types work to destroy antigens-regulator cells and effector cells.
Definition
T Cells (T Lymphocytes) 373
Term
A type of T cell that destroys cells infected with viruses by releasing lymphokines that destroy cell walls; also called cytotoxic or effector cells.
Definition
Killer T Cells 373
Term
The immunity that occurs when the body is exposed to a foreign substance or disease and produces antibodies to the invader.
Definition
Acquired Immunity 374
Term
_____ acquired immunity is the receipt of preformed antibodies to fight or prevent infection.
Definition
Passively 374
Term
The ____ immune response takes place during the first exposure to an antigen.
Definition
Primary (initial) 374
Term
A foreign substance recognized by the immune system.
Definition
Antigen 374
Term
What is an antigen associated with cancerous cells?
Definition
Neoantigen 374
Term
The ____ immune response occurs with reexposure to a foreign substance.
Definition
Secondary (Amnestic) 374
Term
The _____ phase of the immune response occurs when a part of the immune system recognizes an antigen.
Definition
Beginning (Induction) 374
Term
Antigen that elicit an immune respose.
Definition
Immunogenic 374
Term
Antigns that do not elicit an immune response.
Definition
Nonimmunogenic 374
Term
An ___ binds a specific antigen so that the complex can attach itself to specialized immune cells that ingest the complex to destroy it or release biologic mediators such as histamine to induce an allergic or inflammatory response.
Definition
Antibody 374
Term
An antigen capable of generating an immune response.
Definition
Immunogen 374
Term
A substance that normally does not stimulate an immune response but that can be combined with an antigen and, at a later time, initiate a specific antibody response of its own.
Definition
Hapten 374
Term
B-cell lymphocytes produce antibodies called immunoglobulins, which recognize a specific antigen and then react with it.
Definition
Humoral Immunity 374
Term
The _________ holds that each B cell makes antibodies that have only one type of antigen-binding region and, therefore, are specific for a particular antigen known as the cognate antigen.
Definition
Clonal Selection Theory 375-376
Term
A substance that stimulates the B cells to produce a clone.
Definition
Lymphokine 376
Term
A group of genes located on a single chromosome that permits a person who is capable of generating an immune response to distinguish self from nonself (namely, what is foreign).
Definition
Major Histocopatability Complex 376
Term
What is the antibody secreted by B cells?
Definition
Immunoglobulins 377
Term
What are the 3 main categories of antigens on antibodies?
Definition
Isotypic, Allotypic, and Idiotypic 377
Term
An ____ antigenic marker occurs in all members of a subclass of an immunoglobulin class.
Definition
Isotypic 377
Term
An ____ antigenic marker is found on some members of a subclass of an immunoglobulin class, but not all of them.
Definition
Allotypic 377
Term
An ____ antigenic determinant is a unique structure that is created on the light and heavy chains of an immunoglobulin molecule.
Definition
Idiotypic 377
Term
Most antibodies are found in the plasma where they make up about __ of the plasma protein in a healthy person.
Definition
20% 377
Term
An antibody coats an antigen to facilitate its recognition by immune cells.
Definition
Opsonization 377
Term
As a fertilized ovum grows, its peripheral cells differentiate into a group of cells calle the ____.
Definition
Trophoblast 377
Term
Characterized by the formation of a population of lymphocytes that can attack and destroy foreign material.
Definition
Cell-Mediated Immunity 378
Term
What is the main defense against viruses, fungi, parasites, and some bacteria?
Definition
Cell-Mediated Immunity 378
Term
_____ is the mechanism by which the body rejects transplanted organs and eliminates the abnormal cells that sometimes arise spontaneously in cell division.
Definition
Cell-Mediated Immunity 378
Term
In ___-___ ___, T-cell lymphocytes recognize antigens and contribute to the immune response in 2 major ways: (1)by secreting cytokines that attract other cell or
(2)by becoming cytotoxic and killing infected or abnormal cells.
Definition
Cell-Mediated Immunity 378
Term
Also called T4 or CD4 cells.
Definition
Helper T Cells 378
Term
Called T8 or CD8 cell, suppress the activity of other lymphocytes so they do not destroy normal tissue.
Definition
Suppressor T Cells 378
Term
Secreted by lymphocytes, these cells work to damage cells; for example, they destroy cells that have been infected with a virus.
Definition
Lymphokine-Producing Cells 378
Term
Components of the activated complement system that attrack leukocytes from the circulation to help fight infections.
Definition
Chemotaxins 378
Term
Molecules that insert themselves into the bacterial membrane, leading to weakend areas in the membrane.
Definition
Membrane Attack Complex 378
Term
Antibodies directed against the self.
Definition
Autoantibodies 378
Term
A response of the tissues of the body to irritation or injury.
Definition
Inflammatory Response 379
Term
What are the 2 most common causes of inflammation?
Definition
Infection (viral or bacterial) and Injury 379
Term
The dilation of arterioles after transient arteriolar constriction, which allows influx of blood under increased pressure.
Definition
Active Hyperemia 379
Term
The most common immunoglobulin and accounts for 75% of the antibodies in the blood.
Definition
IgG 378
Term
Immunoglobulin found in lymph, synovial fluid, peritoneal fluid, CSF, and breast milk.
Definition
IgG 378
Term
The only immunoglobulin that crosses the placenta, giving infants immunity during the first few months of life.
Definition
IgG 378
Term
Accounts for 15% of the antibodies in the blood and combines with a protein in the mucosa and defends body surfaces against invading microorganisms.
Definition
IgA 378
Term
Immunoglobulin found in tears, saliva, respiratory tract secretions, and the stomach.
Definition
IgA 378
Term
Accounts for 5-10% of the antibodies in the blood and is the dominant antibody in ABO (blood type) incompatibilities.
Definition
IgM 378
Term
What is the initial antibody formed in most infections?
Definition
IgM 378
Term
Accounts for less than 1% of the antibodies in the blood and is associated with allergic reactions.
Definition
IgE 378
Term
When mast cell receptors combine with ___ and antigen, the mast cells degranulate and release chemical mediators such as histamine.
Definition
IgE 378
Term
Accounts for less than 1% of the antibodies in the blood. The physiologic role is unclear.
Definition
IgD 378
Term
Substances such as histamine and serotonin that increase vascular permeability.
Definition
Vasoactive Amines 379
Term
A vasoactive amine that increases vascular permeability and causes vasodilation.
Definition
Histamine 379
Term
A vasoactive amine that increases vascular permeability to cause vasodilation.
Definition
Serotonin 379
Term
Arachdonic acid metablites that function as chemical mediators of inflammation; also known as slow-reacting substances of anaphylaxis.
Definition
Leukotrienes 379
Term
A family of biologically active compounds derived from arachidonic acid.
Definition
Slow-Reacting Substances of Anaphylaxis 379
Term
Derived from arachidonic acid, comprise a group of about 20 lipids that are composed of modified fatty acids attached to a five-member ring.
Definition
Prostaglandins 380
Term
______ are found in many vertebrate tissues, where they act as messengers in reproduction, the inflammatory response to infection, and pain perception.
Definition
Prostaglandins 380
Term
The plasma-derived mediators that modulate the inflammatory process are called ______.
Definition
Plasma Protein Systems 380
Term
A group of plasma proteins that attrat white blood cells to sites of inflammation, activate white blood cells, and directly destroy cells.
Definition
Complement System 380
Term
Serves a vital role in the formation of blood clots in the body and facilitates repairs of the vascular tree.
Definition
Coagulation System 380
Term
The protein that polymerizes (bonds) to form the fibrous components of a blood clot.
Definition
Fibrin 380
Term
The breakdown of fibrin in blood clots and the prevention of the polymerization of fibrin into new clots.
Definition
Fibrinolysis Cascade 380
Term
Leads to the formation of the vasoactive protein bradykinin from killikrein.
Definition
Kinin System 380
Term
An enzyme that is normally found in blood plasma, urine, and body tissue in an inactive state.
Definition
Killikrein 380
Term
Increases vascular permeability, dilates blood vessels, contracts smooth muscle, and causes pain when injected into the skin.
Definition
Bradykinin 380
Term
The loss of fluid from the blood vessels into the tissues, causing the blood left in the vessels to have increased viscosity, which in turn slows the flow of blood and produces statsis.
Definition
Margination 380
Term
Mediators on inflammation trigger the appearance of selections and integrinson the surfaces of endothelial cells and PMNs, respectively.
Definition
Activation 381
Term
PMNs attach to endothelial cells, as mediated by selectins and integrins.
Definition
Adhesion 381
Term
The PMNs permeate the vessel wall, passing into the interstitial space.
Definition
Transmigration (diapedesis) 381
Term
The PMNs move toward the site of inflammation in response to chemotactic factors released by bacteria r formed from activated complement, chemokines, or arachidonic acid derivatives (such as leukotrienes) in response to injury.
Definition
Chemotaxis 381
Term
Products of cells that affect the function of other cells.
Definition
Cytokines 381
Term
What releases monokines?
Definition
Monocytes 381
Term
What releases lymphokines?
Definition
Lymphocytes 381
Term
Include IL-1 and IL-2, which attract white blood cells to the site of injury and bacterial invasion.
Definition
Interleukins 381
Term
A protein produced by cells when they are invaded by viruses.
Definition
Interferon 381
Term
What stimulate leukocytes?
Definition
Lymphokines 381
Term
Repair of damaged tissue, removal of inflammatory debris, restoration of tissue to normal state, and regeneration of cells.
Definition
4 Steps of Wound Healing 381
Term
___ cells divide continuously, so organs derived from these cells (Skin and Intestinal Mucosa) heal completely.
Definition
Labile 381
Term
___ cells are replaced by regeneration of remaining cells, which are stimulated to enter mitosis. These are found in kidney and liver.
Definition
Stable 381
Term
___ cells, such as nerve cells and cardiac myocytes, cannot be replaced; scar tissue is laid down instead.
Definition
Permanent 381
Term
What is a meshlike structure composed of fibrin and fibronectin?
Definition
Scab 381
Term
Healing by ____ intention occurs in clean wounds with opposed margins (clean surgical wounds or surgically debrided wounds).
Definition
Primary 381
Term
Healing by ___ intention occurs in large, gaping or infected wounds.
Definition
Secondary 381
Term
What is necessary for wound healing, but inadequate nutrional intake can lead to insufficient levels, which can lead to inadequate scar formation and suppression of the immune system?
Definition
Collagen 383
Term
What is the process which epithelial cells begin to form a scab that protects the wound from the outside world?
Definition
Epithelialization 383
Term
The process during which the size of the wound becomes smaller, as part of healing.
Definition
Wound Contraction 383
Term
What suppresses the initial inflammatory response required for the proper formation of scar tissue and increase te risk of wound infection by slowing the immune system response?
Definition
Corticosteroids 383
Term
What responses are usually caused by an unsuccessful acute inflammatory response to a foreign body, a persistent infection, or the presence of an antigen?
Definition
Chronic Inflammatory Response 383
Term
What is the growth of new blood vessels?
Definition
Angiogenesis 383
Term
Any response of the body to any substance to which a patient has increased sensitivy.
Definition
Hypersensitivity 383
Term
A hypersensitivity reaction to the presence of an agent (allergen).
Definition
Allergy 383
Term
The production of antibodies or T cells that work against the tissue of one's own body, producing hypersensitivity reactions or autoimmune disease.
Definition
Autoimmunity 383
Term
What type of disease is systemic lupus erythematosus (SLE)?
Definition
Autoimmune Disease 383
Term
The formation of T cells or antibodies directed against the antigens on another person's cells (as in an organ transplant).
Definition
Isoimmunity 383
Term
When is a child's immune system fully developed?
Definition
Between 2-3 Years 383
Term
An acute reaction that occurs in response to a stimulus (bee sting, penicillin, or shellfish).
Definition
Type I: Immediate Hypersensitivity Reaction 383
Term
Cytotoxic (cell destructive) and classically involve the combination of IgG or IgM antibodies with antigens on the cell membrane.
Definition
TypeII: Cytotoxic Hypersensitivity 384
Term
Involve primarily IgG antibodies that form immune complexes with antigen to recruit phagocytic cells, such as neurophils, to a site where they can release inflammatory cytokines.
Definition
Type III: Tissue Injury Caused by Immune Complexes 384
Term
A condition in which antigen-antibody complexes formed in the bloodstream deposit in sites around the body, most notably the kidneys, with resultant inflammatory reactions.
Definition
Serum Sickness 384
Term
A localized reaction involving vascular inflammation in response to an IgG-mediated allergic response.
Definition
Arthus Reaction 384
Term
What is an inflammation of the blood vessels?
Definition
Vasculitis 384
Term
What is a local hypersensitivity reaction in the lungs to molds that grow on hay?
Definition
Farmer's Lung (Hypersensitivity Pneumonitis) 384
Term
Primarily mediated by soluble molecules that are released by specifically activated T cells.
Definition
Type IV: Delayed (Cell-Mediated)Hypersensitivity 384
Term
What are the 2 types of Type IV: Delayed (Cell-Mediated)Hypersensitivity?
Definition
Delayed Hypersensitivity and Cell-Mediated Cytotoxicity 384
Term
What autoimmune disease is caused by thyroid-stimulating or thyroid-growth immunoglobulins.
Definition
Graves Disease 385
Term
What type of disease is Type I Diabetes Mellitus?
Definition
Autoimmune Disease 385
Term
A chronic systemic disease that affects the entire body. Most common form of arthritis, characterized by inflammation of the synovium with resulting pain, stiffness, warmth, redness, and swelling.
Definition
Rheumatoid Arthritis 385
Term
What is the connective tissue membrane lining the joints?
Definition
Synovium 385
Term
An aquired autoimmune disease that is characterized by autoimmune attack on the nerve-muscle junctin.
Definition
Myasthenia Gravis 385-386
Term
What is a droopy eyelid?
Definition
Ptosis 386
Term
What is double vision?
Definition
Diplopia 386
Term
What is problems with swallowing?
Definition
Dysphagia 386
Term
Refers to a decrease in circulating neutrophils.
Definition
Neutropenia 386
Term
Once the neutrophils are fully used, the die and become part of the yellowish wound drainage called?
Definition
Pus 386
Term
What is neutropenia called in an neonate?
Definition
Isoimmune Neutropenia 386
Term
A blood disorder in which antibodies form to blood platets that cause their destruction.
Definition
Immune Thrombocytopenic Purpura (ITP) 386
Term
What describes a decrease in blood platelets?
Definition
Thrombocytopenia 386
Term
Is a purplish areas of the skin and mucous membranes (such as the lining of the mouth) where bleeding has occured as a result of decreased number of or ineffective platelets.
Definition
Purpura 386
Term
A chronic autoimmunce disease with many manifestations. The body's own immune system is directed against the body's own tissue.
Definition
Systemic Lupus Erythematosus (SLE) 386
Term
What is kidney disease?
Definition
Glomerulonephritis 386
Term
An antigen that is present in the erythrocytes (red blood cells) of about 85% of the population.
Definition
Rh Factor 386
Term
___ blood contains erythrocytes with type A surface antigens and plasma containing type B antibodies.
Definition
Type A 386
Term
Proteins recognized by the immune system.
Definition
Antigens 386
Term
Within the plasma are proteins that react with antigens.
Definition
Antibodies 386
Term
____ blood contains type B surface antigens and plasma containing type A antibodies.
Definition
Type B 386
Term
___ blood contains both types of antigens but the plasma contains no ABO antibodies.
Definition
Type AB 386
Term
___ contains neither A nor B antigens but contains both A and B plasma antibodies.
Definition
Type O 386
Term
Involve a complex of antigens first discovered in rhesus monkey.
Definition
Rh Blood Group 386
Term
The presence of any of the 18 seperate Rh antigens makes a person's blood?
Definition
Rh Positive 386
Term
An abnormal condition in which some part of the body's immune system is inadequate, and, consequently, resistance to infectious disease is decreased.
Definition
Immunodeficiency 386
Term
Cellular immunity is associated with what cell?
Definition
T Cells 386
Term
Humoral immunity is associated with what cell?
Definition
B Cells 386
Term
What is one of the most common forms of primary immunodeficiency?
Definition
X-Linked Agammaglobulinemia 386
Term
The medical term for a wide range of strong external stimuli, physiologic and phychological, that can cause a physiological response.
Definition
Stress 387
Term
Defined as a change that makes it necessary for the cells of the body to adapt.
Definition
Physiologic Stress 387
Term
What are the 3 concepts related to physiologic stress?
Definition
Stressor Itself, Effect in the Body, and Body's Response to Stress 387
Term
A term introduced by Hans Selye in the 1920s, characterizes a three-stage reaction to stressors, physical (such as injury) and emotional (such as loss of a loved one).
Definition
General Adaptation Syndrome 387
Term
What are the 3 stages of stress termed by Hans Selye?
Definition
(1) Alarm, (2)Resistance, and (3) Exhaustion 387-388
Term
The body reacts to stress by first releasing what in the stage 1 (Alarm)?
Definition
Catecholamines 387
Term
In stage 2, resistance stage what 2 types of corticosteroid that increase the blood glucose level and maintain blood pressure?
Definition
Glucocorticoids and Mineralocorticoids 388
Term
What is the most significant glucocorticoid in the body?
Definition
Cortisol 388
Term
Corticosteroid (mainly aldosterone) horme that control electrolyte and water levels in the body, mainly by promoting sodium retention by the kidneys.
Definition
Mineralocorticoid 388
Term
The hypothalamus secretes a hormone that stimulates the anterior pituitary to release_____.
Definition
Adrenocorticotropic Hormone (ACTH) 388
Term
A hormone that promotes cell and tissue growth and repair.
Definition
Growth Factor 388
Term
A hormone that stimulates production of breast milk, and which is also believed to play a role in the immune system.
Definition
Prolactin 388
Term
A major part of the neuroendocrine system that controls reactions to stress. It is the mechanism for a set of interactions among glands, hormones and parts of the midbrain that mediate the general adaptation syndrome.
Definition
Hypothalamic-Pituitary-Adrenal Axis 389
Term
What are some common ligands?
Definition
Hormones, neurotransmitters, and electrolytes 339
Term
What is the adrenocorticotropic hormone produced by?
Definition
Anterior pituitary gland 339
Term
What does the adrenocorticotropic hormone stimulate the adrenal gland to secrete?
Definition
Cortisol 339
Term
What are some electrolytes commonly found in the body?
Definition
Sodium, potassium, calcium, and chloride 339
Term
How does water move between intracellular and extracellular fluid?
Definition
Osmosis 341
Term
What type of solution is mannitol?
Definition
Hypertonic 341
Term
What do neurotoxins damage?
Definition
Nervous tissue 354
Term
What do enterotxins damage?
Definition
Gastrointestinal tract 354
Term
What do cytotoxins damage?
Definition
Variety of host tissues 354
Term
What are sometime used as the basis for vaccines?
Definition
Inactive exotoxins 354
Term
Unlike bacteria, viruses do not produce what?
Definition
Exotoxins or Endotoxins 355
Term
What is the molecular mechanism underlying apoptosis the involves the activation of genes that encode for proteins?
Definition
Caspases (cysteine-aspartic proteases) 356
Term
What percent chance does a parent have of passing an autosomal recessive trait?
Definition
25% 358
Term
What percent chance does a parent have of passing an autosomal dominant trait?
Definition
50% 359
Term
What is the major risk factor for lung cancer?
Definition
Smoking 359
Term
What is the most common type of cancer occuring amoung woman?
Definition
Breat Cancer 359
Term
What are autosomal recessive traits?
Definition
Alinism, cystc fibrosis, sickle cell, tay-sachs disease, phnylketonuria, attached earlobe, and hyperextensible thumb 359
Term
What are autosomal dominant traits?
Definition
chondroplasia, marfan syndrome, widow's peak, huntington disease, brachydactyly, and freckles 359
Term
What is a lack of pigment in eyes, skin, and hair?
Definition
Albinism 359
Term
What is pancreatic failure and mucus build up in the lungs?
Definition
Cystic Fibrosis 359
Term
What is abnormal hemoglobin characterized by sickle-shaped red blood cells that obstruct vital capillaries?
Definition
Sickle cell anemia 359
Term
What is improper metabolism of gangliosides in nerve cells?
Definition
Tay-Sachs Disease 359
Term
What is the accumulation of phenylalanine in blood and causes mental retardation?
Definition
Phenylketonuria 359
Term
What is earlobe attached to skin of the neck?
Definition
Attached earlobe 359
Term
What is the thumb that bends past 45 degree angle?
Definition
Hyperextensible thumb 359
Term
What is dwarfism resulting from a defect in the epiphyseal plates that interferes with the formation of long bones?
Definition
Achondroplasia 359
Term
What is a defect of connective tissue resulting in excessive growth and a high risk of aortic rupture?
Definition
Marfan Syndrome 359
Term
What is the hairline coming to a point on forehead?
Definition
Widow's Peak 359
Term
What is progressive deterioration of the nervous system beginning in late 20's or early 30's and causes mental deterioration and early death?
Definition
Huntington Disease 359
Term
What is the disfiguration of hands and shortened fingers?
Definition
Brachydactyly 359
Term
What is permanent aggregations of melanin in the sking?
Definition
Freckles 359
Term
What are early symptoms of breast cancer?
Definition
Small painless lump, thick or dempled skin, or change in the nipple 360
Term
What are later symptoms of breast cancer?
Definition
Nipple discharge, pain, and swollen lymph glands in the axilla 360
Term
What markedly increases a person's susceptibility to sulfa drug-induced hemolytic anemia?
Definition
Glucose-6-phosphatase dehydrogenase deficiency 361
Term
What is the combinaion used to treat urinary tract infections?
Definition
Trimethoprim-sulfamethoxazole 361
Term
What is the Trimethoprim-sulfamethoxazole combination?
Definition
Septra and Bactrim 361
Term
What can lead to diabetes, heart disease, liver disease, arthrtis, impotence, and a bronzed skin color?
Definition
Hemochromatosis 361-362
Term
What is the excessive thickening of the heart muscle?
Definition
Hypertrophic Cardiomyopathy 362
Term
What is referred to as black tarry stool?
Definition
Melena 364
Term
What are signs of early progression of Alzheimer disease?
Definition
Memory loss, lack of spontaneity, subtle personality change, and disorientation to time and date 365
Term
What are typically the earliest signs of shock?
Definition
Restlessness and anxiety, Patient looks scared 369
Term
What is recurrent large areas of subcutaneous edema of sudden onset, usually disappearing within 24 hours?
Definition
Angioedema 369
Term
MODS activates the kallikrein-kinin system, stimulating the release of bradykinin which is a _____ _____.
Definition
Potent Vasodilator 370
Term
What is an inactive enzyme of the pancreas?
Definition
Kallikrein 370
Term
What is uncontrollable bleeding?
Definition
Coagulopathy 370
Term
What are aspartate aminotransferase and alaninine aminotansferase?
Definition
Liver enzymes 370
Term
A type of T lymphocyte that is involved in cell mediated and antibody-mediated immune response. It secretes cytokines that stimulate the B cells and other T cells.
Definition
Helper T Cells 376
Term
How does the human body distinguishes between foreign substances and its own cells and tisses?
Definition
Major Histocompatibility Complex 376
Term
The goal of the cellular components of the acute inflammatory response is for inflammatorycells, namely _______, to arrive at the sites in the tissue where they are needed.
Definition
Polymorphonuclear Neutrophils (PMNs) 380
Term
What stimulates macrophages to help engulf and destroy foreign substances?
Definition
Macrophage-Activating Factor 381
Term
What keeps white blood cells at the site of infection or injury until they can perform ther designated task?
Definition
Migration Inhibitory Factor 381
Term
What is new blood vessel growth?
Definition
Angiogenesis 381
Term
What is protrution of the eyes?
Definition
Exophthalmus 385
Term
What cells in the pancreas release insulin?
Definition
Beta Cells 385
Term
What is a tumor of the thymus?
Definition
Thymoma 386
Term
What is the main symptom of Immune Thrombocytopenic Purpura (ITP)?
Definition
Bleeding 386
Term
What is an inflammed nervous system?
Definition
Neuritis 386
Term
What is probably the most common form of immunodeficiency?
Definition
Isolated Deiciency of IgA 387
Term
___ or ____ stress has been shown to decrease white blood cells and lymphocyte function.
Definition
Physical or mental 387
Term
What are neurotransmitters released in times of stress?
Definition
Endorphins 388
Term
What is the 3rd stage of stress?
Definition
Stage 3: Exhaustion 389
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