Shared Flashcard Set

Details

CDC's Volume 3
Anatomy and Physiology
276
Medical
Not Applicable
12/10/2007

Additional Medical Flashcards

 


 

Cards

Term
How do the structures of the cells in the human body differ?
Definition
In size and shape
Term
What is the outermost layer of a cell called?
Definition
Cell Membrane
Term
Where are most living substances contained within a cell?
Definition
Cytoplasm
Term
Which part of a cell carries vital DNA information to newly forming cells?
Definition
Centrosomes
Term
Which part is considered as the "brain" of the cell?
Definition
Nucleus
Term
When does the life cycle of a cell begin and end?
Definition
From the time it is formed until it reproduces.
Term
How many general processes are involved in the cell life cycle?
Definition

4: Mitosis

Cytoplasmic division

interphase

cell differentiation

Term
What is the dividing of a cell's nucleus called?
Definition
Mitosis
Term
In which phase of mitosis do chromosomes line up in an orderly fashion and prepares to divide?
Definition
Metaphase
Term
In which phase of mitosis does cytoplasmic division begin?
Definition
Anaphase
Term
What are the 4 general types of tissue found in the body?
Definition

Epithelial

Connective

Muscle

Nervous

Term
Where can epithelial tissue be found?
Definition
Throughout the body, covering all body surfaces, both inside and out. Also found in glands.
Term
What are the 3 types of muscle tissue?
Definition

Skeletal

Smooth

Cardiac

Term
How many general parts does a cell have?
Definition

3..Cell membrane

cytoplasm

cell nucleus

Term
The tubular system within the cell that transports molecules is the
Definition
Endoplasmic reticulum
Term
What cytoplasm components are responsible for cell contraction?
Definition
Microfilaments
Term
The first stage of mitosis is:
Definition
Prophase
Term
What is "interphase"?
Definition
Continuation of cell growth
Term
The complicated process responsible for the distinction of cell characteristics is known as
Definition
cell differentiation
Term
What type of tissue is the major component of glands?
Definition
Muscle
Term

What is the outermost layer of the epidermis?

Definition
Stratum Corneum
Term
What layer of the skin contains blood vessels, sweat glands, and hair follicles?
Definition
The Dermis
Term
Hair shafts are composed mainly of what type of cells?
Definition
Dead epidermal cells
Term
What type of sweat gland is usually connected to hair follicles?
Definition
Apocrine glands
Term
What type of glands secretes sebum?
Definition
sebaceous glands
Term
What is one function of the integumentary system:
Definition

Regulates body temperature

 

Term
When external temperatures are high, what do blood vessels in the skin do? Why?
Definition
They dilate to permit an increase in blood flow to the body surface.
Term
What substance is produced in the deepest layer of the epidermis to protect the skin against damage caused by ultraviolet rays from the sun?
Definition
Melanin
Term
How does aging affect the skin?
Definition
The elasticity and strength diminishes
Term
What are the two categories of lesions found in the integumentary system?
Definition
Primary and Secondary
Term
What condition could result from a blockage of capillary blood flow?
Definition
Toxic epidermal necrolysis
Term
What is the medical term for a boil?
Definition
Furunculosis
Term
What age group does thrush commonly affect?
Definition
Infants
Term
What condition results in visible inflammation of the nail bed and local tenderness?
Definition
Paronychia
Term
What condition can result when larger blood vessels rupture and cause a pooling of blood beneath the skin surface?
Definition
hematoma
Term
What type of frostbite is characterized by mottled blue-white skin?
Definition
Deep frostbite
Term
Blisters are a sign of what type of burn?
Definition
Partial thickness (2nd degree burn)
Term
An adult's entire right leg accounts for what percentage of body surface area?
Definition
18%
Term
The third layer of the epidermis is the:
Definition
stratum spinosum
Term
Sebaceous glands are located in the:
Definition
Dermis
Term
Lower external temperatures result in
Definition
blood vessel constriction
Term
A localized skin elevation that lasts less than 24 hours is a
Definition
Wheal
Term
Lichenification is
Definition
thickening of the skin
Term
Moles are classified as
Definition
benign tumors
Term

What is Pediculosis corporis caused by?

Definition
parasites
Term
What percentage of body surface area is affected if an adult has burns on the chest and abdomen?
Definition
18%
Term
What is the outermost portion of a bone called?
Definition

Periosteum

Term
What is the main portion of a bone called?
Definition
The compact bone
Term
What is a condyle?
Definition
Rounded bone end that normally joins with another bone.
Term
How many muscles are in the body?
Definition
More than 500
Term
What is the outer surface of a muscle called?
Definition
epimysium
Term
What type of muscle is found in the walls of blood vessels?
Definition
Multiunit smooth muscles
Term
What type of joint is a suture?
Definition
fibrous joint
Term
What type of joint is a condyloid?
Definition
synovial joint
Term
What is "hematopoiesis"?
Definition
Process of blood cell formation
Term
What condition results from a loss of bone mineral content?
Definition
Osteoporosis
Term
Increased temperature in an area of bone mass is one symptom of what bone disease?
Definition
Bone tumor
Term
Which parts of the upper extremities does rheumatoid arthritis most commonly affect?
Definition
Wrists and hands
Term
What is a muscle strain?
Definition
When a muscle is overstretched or torn
Term
A bone fracture with no obvious deformity is classified as what type of fracture?
Definition
Nondisplaced fracture
Term
Describe an "oblique" fracture.
Definition
A break that extends at an angle across the bone
Term
Where will numbness often be experienced in relation to a herniated disk?
Definition
Below site of injury
Term
Bone ends contain very little:
Definition

Compact bone

Term
The term used to describe the joining of two or more bones is
Definition
articulate
Term
The epimysium is located beneath the
Definition
fascia
Term
The muscle layer that lies just below the epimysium is the
Definition
perimysium
Term

What type of joint joins the sternum and first rib?

Definition
Synchondrosis
Term
Osteoarthritis is commonly seen in patients who are
Definition
over 50 years old
Term
A break that extends straight across a bone is classified as what type of fracture?
Definition
transverse
Term
Which area is most likely to be affected by tendinitis?
Definition
feet
Term
In what area of the thorax is the heart located?
Definition
Mediastinum
Term
What valve is between the left atrium and left ventricle?
Definition
mitral (bicuspid) valve
Term
What are the 2 largest veins in the body?
Definition
Superior vena cava & Inferior vena cava
Term
What type of antigens and Rh factor does a person with type AB+ blood have?
Definition
Both A and B antigens with presence of type D
Term
What are the 2 functions of the lymphatic system?
Definition

1. To help maintain a proper fluid balance

2. To help defend the body against infection

Term
After passing through the lymph nodes, lymphatic vessels merge to form what component of the lymphatic system?
Definition
Lymphatic trunks
Term
What vein is joined to the thoracic duct?
Definition
subclavian vein
Term
Into which vein (or veins) does all lymph eventually empty?
Definition
The left or right subclavian vein
Term
What are macrophages?
Definition
Infection-fighting organisms
Term
What is the function of lymphocytes?
Definition
They attack any bacterial cells and viruses that may be present
Term
What condition is characterized by the buildup of calcium deposits inside the arteries?
Definition
Arteriosclerosis
Term
What is the most common cause of fatty deposits in the coronarty arteries?
Definition
Cholesterol
Term
What is the common problem associated with all types of hemophilia?
Definition
The inability of the blood to clot properly
Term
What condition is characterized by the presence of blood leaking into the pericardial sac?
Definition
Cardiac tamponade
Term
How is a pulse pressure determined?
Definition
The difference between the systolic and diastolic pressures
Term
The valve that leads from the right atrium to the right ventricle is the
Definition
Tricuspid Valve
Term
What are the characteristics of type O+ blood?
Definition
Absence of antigen A, antigen B, and presence of Rh factor D
Term
The pressure in the blood vessels when the heart is at rest between contractions is the
Definition
diastolic blood pressure
Term
Oxygenated blood travels from the lungs back to the heart through the
Definition

pulmonarty vein

 

Term
Vessels that lead out of the lymph nodes are called
Definition
efferent lymphatic vessels
Term
The largest lymphatic organ is the
Definition
spleen
Term
Lymph is transported through the lymphatic trunk directly to
Definition
a collecting duct
Term
What are the two infection-fighting organisms associated with the lymph nodes?
Definition
Lymphocytes and macrophanges
Term
A blood clot that breaks free and travel through the circulatory system until it becomes lodged in a smaller vessel is called
Definition
an embolus
Term
The pain associated with angina pectoris normally lasts
Definition
3 to 5 minutes
Term
What is a symptom of cardiac tamponade?
Definition
Weak pulse
Term
The seriousness of a puncture wound or laceration to the heart or blood vessels is dependent upon the
Definition
size and extent of injury
Term
To what part of the circulatory system do the alveoli connect directly?
Definition
The capillaries of the system within the lungs
Term
What is the main function of the pleurae? How many layers do pleurae have?
Definition

-To protect membrane linings

-2 layers

Term
How many lobes does the right lung have?
Definition
3 lobes
Term
Where are intercostal muscles?
Definition
between the ribs
Term
What is the primary stimulus to breathe?
Definition
The brain needs to eliminate carbon dioxide from the body
Term
What controls the action of the diaphragm?
Definition
The phrenic nerves
Term
When filled to capacity, approximately how much air can the lungs hold?
Definition
6.0 liters of air
Term
What test is necessary to confirm a diagnosis of active TB?
Definition
Sputum test
Term
What disease is characterized by the enlargement, over-distention, and destructive changes in the air space of the lungs?
Definition
Emphysema
Term
What is pleurisy?
Definition
An infection that causes inflammation of the pleural sac, resulting in extreme pain during respiration
Term
"Paradoxical motion" is a sign of what condition?
Definition
flail chest
Term
What term is used to indicate the presence of air in the thoracic cavity?
Definition
 pneumothorax
Term
What condition is characterized by the presence of blood, instead if air, in the pleural space?
Definition
hemothorax
Term
The superior portion of the pharynx that contains the eustachian tubes is the
Definition
nasopharynx
Term
The larynx is composed of
Definition
three single and three paired cartilages
Term
During inhalation, the intercostal muscular contraction permits the ribs to move
Definition
forward and slightly upward
Term
The amount of air that enters and leaves the lungs with each natural respiration is known as
Definition
tidal air
Term
Aspiration of fluid into the lungs is most likely to cause
Definition
pneumonia
Term
A flail chest is characterized by
Definition
three or more ribs fractured in at least two places
Term
Tracheal deviation to the uninjured side of the chest is most likely a sign of
Definition
tension pneumothorax
Term
What are the two main divisions of the nervous system?
Definition
Central Nervous System & Peripheral Nervous System
Term
Where is the motor area of the cerebrum located?
Definition
Frontal lobe
Term
What is the name of the third cranial nerve?
Definition
oculomotor
Term
What type of movements does the somatic nervous system control?
Definition
voluntary body movements
Term
What part of the nervous system automatically causes body functions to speed up?
Definition
sympathetic nervous system
Term
What part of the nervous system automatically causes body functions to return to normal?
Definition
Parasympathetic nervous system
Term
Migraine headaches usually occur less frequently after what age?
Definition
35
Term
What is the duration of each cluster headache?
Definition
10 minutes to 2-3 hours
Term
How many general categories of convulsions are there?
Definition
2 Partial and generalized seizures
Term
What type of disorder is Bell's palsy?
Definition
cranial nerve
Term
What is one sign of a serious brain injury?
Definition
Presence of CSF in the ears or nose
Term
What causes a concussion?
Definition
head trauma producing a brief loss of conciousness
Term
Where will loss of function be evident in a case of a severed spinal cord?
Definition
below the level of injury
Term
The small spaces between neurons are called the
Definition
synapses
Term
What type of neuron has one axon extending from one end of the soma and one dendrite extending from the other?
Definition
Bipolar
Term
The primary functions of the cerebellum are to coordinate muscular movements and
Definition
control activity of the brain itself
Term
The "fight-or-flight" reaction is controlled by the
Definition
sympathetic nervous system
Term
The parasympathetic nervous system is designed to
Definition
prevent extensive overworking of the body
Term
Grand mal seizures are also known as
Definition
tonic-clonic seizures
Term
Meningitis primarily affects
Definition
infants and children
Term
Temporary loss of memory is most likely a sign of a brain
Definition
concussion
Term
What is contained in the third layer of the alimentary canal wall?
Definition
Blood vessels, nerves, glands, and lymphatic vessels
Term
What are "deciduous" teeth?
Definition
The first set of teeth that erupt at regular intervals between ages of 6 mos to 4 years
Term
What portion of the pharynx is located behind the palate and serves as a passageway for food and air?
Definition
Oropharynx
Term
What quadrant is the stomach located in?
Definition
Upper left quadrant
Term

Where is the gall bladder located?

Definition
Along the inferior surface of the liver
Term
Where is bile produced?
Definition
Produced by the liver and stored in the gallbladder
Term
What are the involuntary muscle contractions that move food from the espohagus to the stomach?
Definition
Peristalsis
Term
Where is bile stored?
Definition
The gallbladder
Term
What is the function of the villi in the small intestine?
Definition
Assist in the movement and absorption of the contents of the small intestines
Term
What is gastroenteritis?
Definition
Acute inflammation of the lining of the stomach and intestines
Term
What disorder is characterized by a lesion in the lining of the lower esophagus, stomach, or duodenum?
Definition
Peptic ulcer
Term
What condition is characterized by the presence of gallstones?
Definition
Cholelilheasis
Term
What 3 things determine the severity of a penetrating injury to the abdomen?
Definition
Size and force of injury and the affected organs
Term
List the S/S of esophageal trauma and perforations
Definition

Local pain

dysphagia

dyspnea

elevated temperature

blood-stained

excessive salvation

Term
The sigmoid colon is located in the
Definition
left lower quadrant of the abdominal cavity
Term
The layer of the alimentary canal that is responsible for movement of substances through the canal is the
Definition
muscular layer
Term
What part of the alimentary canal is between the pharynx and the stomach?
Definition
Esophagus
Term
The ileocecal valve in the small intestine connects to the
Definition
cecum
Term
Undigested chyme passes from the ileum to the
Definition
cecum
Term
Beneficial water is absorbed for use by the body by the
Definition
colon
Term
A patient who complains of having a sensation of incomplete bowel movements is exhibiting a symptom of what condition?
Definition
Hemorrhoids
Term
If organs of the abdomen are protruding outside of the body, the patient has
Definition
an abdominal evisceration
Term
What is a common symptom of an esophageal perforation?
Definition
Dysphagia
Term
Where are the kidneys located?
Definition
The superior portion of the posterior abdominal cavity
Term
What is the concave portion of the kidney called?
Definition
renal pelvis
Term
Between what two parts of the urinary system do the ureters extend?
Definition
kidneys and bladder
Term
What is the approximate length of the female urethra?
Definition
1 1/2 inches
Term
What happens to the fluid waste that is filtered from the blood by capillaries in the glomerulus?
Definition
Squeezed into the Bowman's capsule
Term
What is the capacity of an adult's urinary bladder?
Definition
1000 to 1800 milliliters
Term
What is the final step of the urination process?
Definition
The relaxation of the external sphincter of the urethra
Term

What is anuria?

Definition
Absence of urine
Term
What is diuresis?
Definition
An increased portion of urine
Term
What is polyuria?
Definition
An excessive output of urine
Term
What is uremia?
Definition
A condition that results when substances that are normally secreted into the urine accumulate in the blood
Term
What are most kidney stones composed of?
Definition
some form of calcium
Term
What is cystitis?
Definition
An infection of the bladder
Term
What disorder results from exposure to a bacterial source, but it can also be caused by an obstruction, trauma, pregnancy, or metabolic disorder?
Definition
Pylonephritis
Term
Kidneys are in the posterior abdominal cavity and extend from the
Definition
thoracic to the lumbar spinal region
Term
Approximately how many nephrons are within each kidney?
Definition
1 million
Term
The length of a ureter in an adult is approximately
Definition
10 inches
Term
Backflow of urine into the ureters is prevented by
Definition
a flap of mucous membrane
Term
The urge to urinate is usually first experienced when the bladder contains approximately how much urine?
Definition
250 milliliters
Term
An increased production of urine is known as
Definition
diuresis
Term
The presence of stones in a kidney is known as
Definition
nephrolithiasis
Term
What is a common symptom of renal failure?
Definition
weight loss
Term
What are the primary male sex organs?
Definition
The testes
Term
What are the two male external accessory sex organs?
Definition
the penis and scrotum
Term
Where is the postate gland located?
Definition
It surrounds the beginning of the urethra, just below the urinary bladder
Term
What two male internal accessory sex organs does the vas deferens connect?
Definition
Epididymis w/ the semianl vesicles
Term
After sperm cells are produced, where do they mature?
Definition
The epididymis
Term
Where does the prostate gland located?
Definition
It surrounds the beginning of the urethra, just below the urinary bladder
Term

Why does the prostate gland secrete fluid into the ejaculatory fluid?

Definition
To help protect the sperm from acidic secretions present in the female vagina
Term
What male hormone is responsible for the male characteristics(e.g. growth of body hair, and thickening of vocal cords)?
Definition
Testosterone
Term
What are the primary female sex organs?
Definition
Ovaries
Term
What holds ovaries in their position?
Definition
several ligaments
Term
How many layers does the uterine wall have?
Definition

3:

Perimetrium

myometrium

endometrium

Term
How many female external accessory organs are there?
Definition
4
Term
At what age do females usually reach puberty?
Definition
around 13
Term
What is the first menstrual cycle in the life of a female called?
Definition
menarche
Term
What are the two "female" hormones?
Definition
estrogen and progesterone
Term
When do menses begin?
Definition
First of the menstrual cycle
Term
What sexually transmitted disease is caused by the treponema pallidum?
Definition
syphilis
Term
When are the more painful sores of genital herpes usually experienced?
Definition
Initially
Term
What bacterial infection is similar to gonorrhea and can result in the male prostate or epididymis infections?
Definition
Chlamydia
Term
What condition in males is characterized by inflammation of the urethra?
Definition
Urethritis
Term
Where is the pain that commonly associated with prostatitis?
Definition
lower back, abdomen, rectum, and glans penis
Term
What condition is characterized by inflammation of the vagina?
Definition
Vaginitis
Term
What condition is characterized by an abnormal growth of uterine tissue outside the uterus?
Definition
endometriosis
Term
The testes are two oval-shaped structures that are made of
Definition
connective tissue
Term
The coiled tubule located on the top and to the side of each testis is the
Definition
epididymis
Term
Fluid is secreted from the seminal vesicles to help carry sperm through the
Definition
ejaculatory duct
Term
Growth of body hair on a male is a
Definition
secondary sex characteristic
Term
How many main parts does each ovary have?
Definition
2
Term
The lower third of the uterus is called the
Definition
cervix
Term
The second phase of the menstrual cycle begins when
Definition
An ovum is released from one of the ovaries
Term
Secondary syphilis usually occurs
Definition
6 weeks to 6 months after infection
Term
Which untreated sexually transmitted disease can result in infections of the prostate and/or epididymis?
Definition
Chlamydia
Term
An infection that usually spreads from the urinary tract or prostate gland to the epididymis is
Definition
dysmenorrhea
Term
Abnormal growth of uterine tissue outside of the uterus is indicative of
Definition
endometriosis
Term
Where is the lacrimal gland located?
Definition
Within the orbit on the side of the eye
Term
How many extrinsic muscles extend from the outer surface of the eye to the bones of the orbit?
Definition
6
Term
Where is vitreous humor located?
Definition
Behind the lens
Term
What muscle causes the eye to rotate toward the midline?
Definition
Medial rectus
Term
What is "accommodation"?
Definition
When the lens changes in thickness and shape to permit viewing objects according to how close they are to the eye
Term
What two actions occur in the lens when you look at a distant object?
Definition
The ciliary muscles relax and the lens become thinner
Term
What are the two external ear structures?
Definition
Auricle and external auditory canal
Term
What is the system of chambers and tubes in the inner ear called?
Definition
the labryinth
Term
Approximately how many hair cells are located in the organ of Corti?
Definition
16,000
Term
How many vibrations per second can normal hearing detect?
Definition
more than 20,000
Term
What part of the ear does the pinna guide sound waves into?
Definition
external auditory canal
Term
What does dynamic equilibrium involve?
Definition
interpretation of head and body movement
Term
How many passageways are in the nasal conchae?
Definition
3
Term
Where are the olfactory receptors located?
Definition
Upper posterior portion of the nasal cavity
Term
Where are "olfactory tracts"?
Definition
pathways that extend beyond the olfactory bulbs
Term
How many primary odor groups can the nose detect?
Definition
7
Term
Why are some odors difficult for us to detect?
Definition
The olfactory receptors are located very high in the nasal cavity
Term
What percent of odor intensity is lost within the first second after receptor stimulation?
Definition
50 %
Term
What does "OS" mean?
Definition
Left eye
Term
What is blepharitis?
Definition
inflammation of the eyelid
Term
What percentage of foreign bodies affect only the cornea?
Definition
25%
Term
Why are children especially susceptible to ear disorders?
Definition
Because of the size of the child's eustachian tube
Term
What type of hearing loss is also referred to as perceptive loss?
Definition
sensorineural loss
Term
What is a common complication of a perforated tympanic membrane?
Definition
Infection
Term
What condition is considered to be a complication of an upper respiratory tract infection?
Definition
Sinusitis
Term
Where does epistaxis orginate?
Definition
Anterior nasal cavity
Term
What is the primary concern associated with foreign bodies in the nose?
Definition
The potential of introducing foreign bodies into the respiratory tract and lungs
Term
Aqueous humor fills the space between the cornea and the
Definition
lens
Term
What part of the eye is largely responsible for viewing dimly lit images?
Definition
Rods
Term
The auditory ossicles is located in the
Definition

middle ear

 

Term
Movement of the stapes cause stimulation of fluid within the
Definition
cochlea
Term
Odors are described as one of the
Definition
seven primary odors, or a combination of at least two of them
Term
Which condition is an infection of an eyelash follicle?
Definition
Hordeolum
Term

What condition results from increased pressure within the eye?

Definition
Glaucoma
Term
Twenty-five percent of all foreign body eye injuries affect the
Definition
cornea
Term
Presbycusis is the loss of hearing attributed primarily to
Definition
aging
Term
Rhinitis is best described as
Definition
an inflammation of the nasal mucous membrane
Term
What nasal condition is considered to be a resulting complication of an upper respiratory tract infection?
Definition
Sinusitis
Term
What are cells that act as hormone receptors called?
Definition
Target cells
Term
What is the "master gland"?
Definition
The pituitary gland
Term
What gland secretes STH?
Definition
Anterior Lobe
Term
What hormone promotes the production of maternal milk following childbirth?
Definition
Prolactin
Term
Where are the adrenal glands located?
Definition
the superior portion of each kidney
Term
How many hormones are secreted by the Islets of Langerhans?
Definition
3
Term
Glucagon has a direct effect on which organ?
Definition
the liver
Term
Memory impairment is a sign of what disorder of the endocrine system?
Definition
hypothyroidism
Term
Who is primarily affected by subacute thyroiditis?
Definition
young women
Term
What part of the endocrine system is affected by primary aldosteronism?
Definition
the adrenal glands
Term
What disorder is associated with adrenocortical insufficiency?
Definition
Addison's disease
Term
The pituitary gland is divided into two sections called the
Definition
anterior lobe and the posterior lobe
Term

Adrenocorticotropic hormone (ATCH) is secreted by the

Definition
anterior lobe of the pituitary gland
Term
Which gland is shaped like a pyramid?
Definition
Adrenal
Term
Which hormone secreted by the adrenal medulla has little effect on blood sugar level?
Definition
Norepinephrine
Term
The Islets of Langerhans is the
Definition
portion of the pancreas that has an endocrine function
Term
Pituitary tumors often directly affect
Definition
target cells
Term
What is a symptom of hypothyroidism?
Definition
slow pulse
Term
Hyperparathyroidism is most common in
Definition
women over 50 years old
Term
Kussmaul's respirations are a sign of
Definition
Diabetic Ketoacidosis
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