Term
What are the four basic types of tissue |
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Definition
Epithelial tissue, connective tissue, Muscle tissue, Nervous tissue |
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Term
What is the job of macrophages |
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Definition
they injest cellular debris from injured cells |
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Term
Of the four basic types of tissue, what type is blood? |
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Definition
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Term
What is the percentage of water weight for adults |
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Definition
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Term
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Definition
It is the flow of fluid across a semipermeable membrane from a lower to a higher concentration |
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Term
True or false- Osmosis does require energy |
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Definition
True- Becasue its going from a lower to a higher concentration it requires transport mechanisms that require energy |
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Term
Through what process does a cell become specialized( the cells ability to preform only certain tasks)? |
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Definition
Cells become specialized through a process of differentation or maturation |
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Term
What is it called when cells adapt to their environment to avoid and protect themselves form injury |
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Definition
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Term
True or false- When cellular adaption happens the cells are considered injured |
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Definition
False. They are considered to fall between normal and injured states |
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Term
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Definition
is a decrease in cellular size |
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Term
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Definition
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Term
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Definition
an excessive increase in the number of cells- formation of a callus |
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Term
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Definition
a change from one cell type to another that is better able to tolerate adverse conditions- envoirmental conditions like smoking that change the bronchial lining to have less irritation |
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Term
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Definition
abnormal changes in mature cells-- cells that are near cancer |
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Term
What is the most common celluar injury |
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Definition
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Term
What are types of cellular injury |
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Definition
Hypoxic injury, Chemical, infectious, Immunologic and inflammatory, Injurious genetic factors, nutritional imbalance and physical agents |
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Term
A loss of cytochromes would lead to what type of cellular injury |
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Definition
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Term
What does virulence mean? |
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Definition
its a microorganisms ability to survive and reproduce in the human body, where they injure cells and tissues |
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Term
What does pathogenicity mean |
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Definition
It is means the same as virulence
Its a microorganisms ability to survive and reproduce in the human body where they injure cells and tissues |
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Term
Bacteria that make endotoxins are also known as... |
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Definition
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Term
What is bacteremia or septicemia |
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Definition
a prolifereation (rapid growth) of microorganisms in the blood |
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Term
How do viruses affect the body on a cellular level |
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Definition
they control the metabolic machinery of the host cells then use it to replicate the virus |
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Term
What is a protein coat that encapsulates most viruses and allows them to resist phagocytosis |
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Definition
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Term
Where does viral replication occur |
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Definition
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Term
True or false- Viruses produce exotoxins and endotoxins |
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Definition
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Term
Why do cells die during an inflammatory injury |
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Definition
They die because the cell membrane leaks potassium out of the cell and water rushes in. |
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Term
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Definition
it is the flow of fluid across a semipermeable membrane. |
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Term
An ion with a positive charge is known as |
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Definition
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Term
An Ion with a negative charge is known as |
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Definition
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Term
What is the most abundant cation in the ECF |
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Definition
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Term
What is the most abundant intracellular cation |
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Definition
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Term
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Definition
it is the transport of substances against a concentration gradient, from areas of lower concentration to areas of higher concentration
This requrires energy- osmosis |
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Term
What is facilitated diffusion |
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Definition
moves substances into and out of cells from an area of higher concentration to an area of lower concentration |
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Term
As we get older, what happens to the percentage of water weight? |
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Definition
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Term
Where does the exchange of nutrients and metabolic end products take place |
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Definition
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Term
What is Starlings hypothesis |
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Definition
It describes the movement of fluid back and forth across the capillary wall AKA net filtration
Net filtration = forces favoring filtration- forces opposing filtration
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Term
What medical condition results from increased osmotic movement of water into the interstital space |
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Definition
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Term
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Definition
its usually limited to an injury site or an organ system |
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Term
How is generalized edema charcterized |
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Definition
It is characterized by more widespread swelling and is usually noted in the legs and ankles. |
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Term
What diseases are the biggest causes of generalized edema |
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Definition
Heart, liver, and kidney disease |
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Term
What is the primary role of antidiuretic hormone (ADH) |
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Definition
Its the bodies way of maintaining water balance |
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Term
What are the three receptors that control water balance and water reabsorption |
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Definition
Osmoreceptors
Baroreceptors
volume sensitive receptors |
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Term
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Definition
they are hypothamlamic neurons that can cause an individual to feel thirsty |
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Term
how does ADH work in the kidneys |
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Definition
it works by preventing water loss through the distal renal tubules and collecting ducts of the kidneys |
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Term
What hormone controls the regulation of sodium balance in the body |
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Definition
Aldosterone (secreted by the adreanal cortex) |
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Term
What mineral is the major ECF anion |
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Definition
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Term
What organ does renin come from |
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Definition
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Term
describe the process of making ADH |
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Definition
renin is excreated by the kidneys and the liver excretes angiotensinogen to form angiotensin I. It goes through the lungs to form angiotensin II and stimulates the adrenal cortex to realease aldosterone. |
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Term
What horomone is a potent vasoconstrictor |
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Definition
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Term
What does the natriuretic hormone do |
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Definition
It promotes loss of sodium loss through the kidneys |
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Term
How do hydrogen ions relate to pH |
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Definition
The more hydrogen atoms increases the acid level (LOW NUMBER) |
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Term
It was is ment by a bivalent cation |
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Definition
its an cation with two postive charges I.E calcium |
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Term
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Definition
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Term
How does Carbonic Acid- Bicarbonate Buffering system work? |
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Definition
Sodium Bicarbonate bonds with hydrogen atoms to neturalized the acid until it reaches the respiratory system and then the acid is blow off by the lungs |
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Term
Where does protein buffering mainly take place |
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Definition
its mainly an intracellular buffer system. |
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Term
How does renal buffering work |
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Definition
the kidneys can excrete hydrogen atoms, reabsorb bicarbonate, and excrete ammonium ions which carry with it hydrogen |
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Term
How can a patient get respiratory acidosis |
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Definition
a patient can get it by respiratory depression or an inability for the lungs to excrete carbon dioxide efficiently |
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Term
How can a patient get metabolic acidosis |
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Definition
Lactic acidosis- cells that are inadequately perfused
Diabetic Ketoacidosis- a body has a lack of insulin and metabolizes fatty acids for energy
Renal failure-kidneys fail to eliminate hydrogen ions
Ingestion of toxins-ingestion of large amounts of asprin |
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Term
how can a patient get respiratory alkalosis |
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Definition
hyperventilation often seen in early stages of shock, and sepsis. |
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Term
how can a patient develop metabolic alkalosis |
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Definition
results from a loss of hydrogen ions primarly from ingestion of large amounts of absorbable base sodium bicarbonate(baking soda) or calcium carbonate(Tums) |
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Term
What are the compensatory mechanisms fo hypoperfusion |
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Definition
catecholamine release, creation of aldosterone and renin-angiotensin, shift of intersitital fluid and splenic discharge |
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Term
What are the 3 factors that equate to overall cardiac output |
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Definition
strength of contraction, rate of contraction and preload(venous return) |
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Term
What is a negative feedback mechanism |
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Definition
it is any mechanism that tends to balance a change in a system |
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Term
What are the negative feed back mechanisms that the body uses to control blood pressure |
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Definition
baroreceptors reflexes, chemoreceptor reflexes, the CNS ischemic response and hormonal mechanisms |
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Term
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Definition
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Term
What do chemoreceptors reflexes do |
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Definition
They play a large part in sending signals the brain to increase breathing, secondly they can cause vaso constriction |
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Term
Where are baroreceptors reflex endings located and what are they used for |
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Definition
they are located in the carotid sinus and the aortic arch
They are used to help control BP through the sympatetic and parasypathtic system |
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Term
What are the two different layers of the adrenal glands |
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Definition
Adrenal cortex and the medulla |
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Term
Renin is released by what organ |
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Definition
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Term
What is the primary role of aldosterone |
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Definition
It acts on the kidneys to conserve sodium and water |
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Term
What is MODS and how is it classified |
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Definition
MODS is Multiple organ dysfunction syndrome and is classified by the progressive failure of two or more organ systems |
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Term
What are the three major causes of MODS |
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Definition
Septsis, major trauma, and burn injuries |
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Term
What is the bodies first line of defense |
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Definition
External barriers- Skin, and mucous membranes of the respratory, lungs, nose, ect |
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Term
What is the bodies second and third line of defense |
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Definition
2nd- inflammatory response
3rd- immune response |
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Term
White blood cells are also known as |
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Definition
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Term
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Definition
Its the process by which leukocytes engulf, digest and destroy pathogens |
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Term
Exudate is also known as? |
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Definition
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Term
How does a patient develop acquired immunity |
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Definition
through repeated exposure to a specific antigenic agent or pathogen |
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Term
What is natural immunity acquired |
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Definition
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Term
How is passive immunity acquired |
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Definition
There are two ways
Its acquired before birth through the mother passing on the same antibodies she has
Passed on through mothers breast milk |
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Term
How do B-cell lymphocytes work |
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Definition
They generally attack bacteria and kill them with the use of immunoglobulins and antibodies |
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Term
How do T-cell lymphocytes work |
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Definition
They generally attack virus habited cells. The T-cell itself directly attacks the cell by releasing a chemical that weakens the cell membrane causing it to die |
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Term
What do helper T-cells do |
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Definition
Helper T-cells recongnize bacteria and virus habited cells and alert either T-cells or B-cells to kill it. |
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Term
What type of lymphocyte is responsible for long term immunity |
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Definition
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Term
The cell-mediated immun response uses what type of lymphocyte |
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Definition
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Term
What blood type is known as the universal recipient |
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Definition
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Term
What blood type is known as the universal donor |
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Definition
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Term
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Definition
An exaggerated immune response |
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Term
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Definition
It is when lymphocytes attack its own cells. |
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Term
What immunoglobulin is responsible for hayfever, asthma, and Anaphylaxis |
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Definition
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Term
What is the most common Immunoglobulin |
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Definition
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Term
What is the only immunoglobulin to cross the placental barrier and is found in breast milk |
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Definition
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Term
What is the purpose of cortisol |
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Definition
cortisol stimulates gluconeogenesis(release of glucose) it also supressess reproduction of lymphocytes |
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Term
What happens to a cell in a hypertonic solution and when is it used |
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Definition
It will shrink, it is used for trauma situations |
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Term
What is cortisol also known as |
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Definition
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Term
What happens when a patient has Isoimmunity |
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Definition
The patient rejected a blood transfusion or organ donation |
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Term
What are the stages of stress |
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Definition
Alarm, resistance or adaptation, and exhaustion |
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Term
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Definition
Kinin is a serum protein that causes vasodilation and increases vascular permeability |
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Term
Who is the doctor that came up with the basis for the General adaptation syndrome |
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Definition
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Term
What happens when the exhaustion stage is prolonged and adaptation mechanisms are exhausted |
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Definition
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Term
When happens when the adrenal glands go into adrenal failure |
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Definition
They no longer produce catecholamines- epinephrine, nor-epinephrine and dopamine |
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Term
What do alpha 1 receptors stimulate |
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Definition
Smooth muscle I.E blood vessels and increased glycogenolysis |
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Term
What do alpha 2 receptors stimulate |
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Definition
Smooth muscle relaxation
its a negative feed back mechanism for alpha 1. It inhibits further release of norepinephrine |
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Term
What is the primary neurotransmiter |
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Definition
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Term
what happens to a cell in a hypotonic solution |
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Definition
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Term
When is hypotonic solutions used |
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Definition
they are used for dehydration and supply the patients cells with calories |
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Term
What mineral is the major intracellular anion |
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Definition
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Term
What mineral is the major extracellular anion |
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Definition
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