Term
The walls of the alveoli are composed largely of |
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Definition
simple squamous epithelium |
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Term
The portion of the eye that prevents light from scattering in the eyeball is the |
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Definition
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Term
The substance which provides the eyeball with the most the material to maintain its shape is the |
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Definition
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Term
Which of the following is not a refracting part of the eye |
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Definition
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Term
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Definition
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Term
Which of the following correctly lists the order of the parts through which light passes as it enters the eye |
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Definition
cornea, aqueous humor, lens, witreous humor |
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Term
Cataracts result from changes in the |
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Definition
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Term
Which of the following is NOT true of color blindness |
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Definition
it occurs most often in women |
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Term
Which of the following is not true about lysozyme |
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Definition
it stimulates the rods and cones |
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Term
The bacterial infection known as "pinkeye" is caused by irritation of the |
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Definition
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Term
The reflexive movement of the eyes medially when viewing close objects is called |
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Definition
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Term
An inflammation of the conjunctiva involves the |
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Definition
delicate membrane lining the eyelids and covering the front of the eyeball |
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Term
The sets of color receptors within the retina are snsitive to wavelengths of visible light that are |
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Definition
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Term
The oily secretions that libricate the eye are produced by the |
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Definition
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Term
The portion of the eye that regulates the amount of light entering the eye, similar to the diaphragm of a camera, is the |
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Definition
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Term
Meibomian glands are modified |
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Definition
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Term
The greatest visual acuity is found at the |
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Definition
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Term
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Definition
adjustment of the thickness of the lens to make close vision possible |
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Term
Tears are produced by the lacrimal glands located |
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Definition
above the lateral canthus of each eye |
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Term
The "blind spot" is located at the |
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Definition
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Term
The superior portion of the pharynx is called the |
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Definition
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Term
Which of the following is NOT true of the lungs |
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Definition
both lungs have two lobes |
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Term
The condition that leads to the deaths of many full-term newborn infants and is still incompletely understood is |
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Definition
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Term
The conducting passageways of the respirtatory system include all of the following EXCEPT |
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Definition
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Term
The auditory tubes, which drain the middle ear, open into the |
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Definition
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Term
Air moving into and out of the lungs is |
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Definition
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Term
The respirtatory conducting passageways do all of the following EXCEPT |
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Definition
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Term
The blueish cast that results from inadequate exygenation of the tissues is called |
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Definition
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Term
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Definition
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Term
Cessation of breathing is called |
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Definition
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Term
Cillia of the trachea propel contaminated mucus |
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Definition
toward the throat to be swallowed or spat out |
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Term
Which of the following are the most damaging and disabling respiratory diseases at the present: |
|
Definition
tuberculosis and pneumonia |
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Term
Which of the following is NOT a feature of COPD |
|
Definition
most patients have a genetic prediposition of COPD |
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Term
Which of the following are NOT part of the respiratory zone structures |
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Definition
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Term
The nasal cavity is separated from the oral cavity by |
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Definition
both the hard and soft palate |
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Term
The molecule that lowers surface tension in the alveoli, preventing lung collapse, is called |
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Definition
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Term
Which of the following is NOT a function of the sinuses |
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Definition
they are olfactory receptors for smell |
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Term
The adenoids are also called the |
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Definition
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Term
The lipid molecule that coats the alveolar surfaces is called |
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Definition
|
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Term
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Definition
gas exhcnage between the blood and tissue cells |
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Term
Which of the following bones does not contain paranasal sinuses |
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Definition
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Term
Which of the following is NOT true of lung cancer |
|
Definition
it is more prevalent in males than females |
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Term
Which of the following is NOT true of cystic fibrosis |
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Definition
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|
Term
One of the most important stimuli leading to increased rate and depth of breathing is |
|
Definition
increased carbone dioxide in the blood |
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Term
Which of the following does not apply to the right primary bronchus |
|
Definition
it is shorter than the left bronchus |
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Term
Most carbon dioxide is transported in the plasma as |
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Definition
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Term
Which of the following cannot be said of expiration |
|
Definition
intrapulmonary volume increases when lungs recoil |
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|
Term
Which of the following is NOT true of inspiration |
|
Definition
relaxation of the external intercostals helps increase the size of the thoracic cavity |
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Term
Which of the following is NOT one of the major processes controlled by hormones |
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Definition
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|
Term
Hormone concetrations are usually regulated by |
|
Definition
negative feadback mechanisms |
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Term
Whhich of the following is NOT typical of changes that follow hormone binding |
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Definition
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Term
Being libid soluble steriods can do all the following except |
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Definition
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Term
The type of endocrine stimulus that involves changing blood levels of certain ions and nutrients is called |
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Definition
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Term
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Definition
in the turk's saddle of the sphenoid bone |
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Term
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Definition
stimulate other endocrine glands |
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Term
The hormone that triggers ovulation of an egg from the female ovary is |
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Definition
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Term
An enlargement of the thyroid is called |
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Definition
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Term
Which of the following is NOT a function of oxytocin |
|
Definition
postpartum bleeding control |
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Term
Another name for antidiuretic hormone is |
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Definition
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Term
Which of the following hormones exerts its effect primarily on the reproductive organs |
|
Definition
follicle-stimulating hormone |
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Term
The thyroid gland is located |
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Definition
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Term
The element necessary for thyroid function is |
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Definition
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|
Term
The antagonist to calcitonin is |
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Definition
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Term
Which of the following is NOT produced by the adrenal cortex |
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Definition
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Term
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Definition
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Term
When blood levels of aldosterone rise, the kidney tubules |
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Definition
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Term
The enyzyme that is produced by the kidneys when blood pressure drops and that causes the release of aldosterone is |
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Definition
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|
Term
Which of the following is NOT an action of catecholamines |
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Definition
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Term
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Definition
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Term
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Definition
a decrease in the concentration of blood glucose |
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Term
Which of the following is NOT a sign of diabetes mellitus |
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Definition
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Term
The hormone that appears to help regulate our sleep cycles is |
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Definition
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Term
The hormone responsible for T cell maturation is |
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Definition
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|
Term
Estrogens do all the following except |
|
Definition
stimulate growth of facial hair |
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Term
Which of the following is NOT true of androgens |
|
Definition
they stimulate the corpus luteum |
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Term
The corpus luteum produces |
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Definition
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Term
The cells in the testes that produce testosterone are called |
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Definition
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Term
The secondary sex characteristics brought about by testosterone do NOT include |
|
Definition
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Term
This type of stem cell that produces all the formed elements except lymphocytes are |
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Definition
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Term
A substance that the body reocgnizes as foreign |
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Definition
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Term
The universal recipient has blood type |
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Definition
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Term
The type of leukocytes that became macrophages are |
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Definition
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Term
Type O blood indicates all of the following except |
|
Definition
presence of type O antigens |
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Term
A clot that breaks away from a vessel wall and floats freely in the bloodstream is called an |
|
Definition
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|
Term
The ion essential for clotting is |
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Definition
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|
Term
The type of leukocytes that would increase rapidly during allergies and infections of parasitic worms are |
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Definition
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|
Term
Which of the following does NOT describe erythrocytes |
|
Definition
they are packed with organelles |
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Term
In ABO blood typing, a person's blood that was type B would |
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Definition
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|
Term
Platelets are fragments of |
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Definition
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|
Term
During the vascular spasm phase of hemostasis, which chemical is released to bring about vasoconstriction |
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Definition
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Term
Which of the following does NOT describe plasma |
|
Definition
it is the color of red wine |
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Term
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Definition
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Term
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Definition
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Term
In adults, blood cell formation occurs in all of the following except the |
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Definition
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Term
Thromboplastin and PF3 interact to form |
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Definition
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Term
The process whereby the binding of antibodies to antigens causes RBCs to clump is called |
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Definition
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Term
There are an average of_______ WBCs per cubis millimeter of blood |
|
Definition
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|
Term
Which of the following are granulocytes |
|
Definition
neutrophils, eosinophils, and basophils |
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Term
Which of the following is NOT true of WBCs |
|
Definition
they initiate the clotting process |
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Term
Which of the following is not one of the physical characteristics of blood |
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Definition
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Term
|
Definition
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Term
Transfusion reactions can lead to all of the following except |
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Definition
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Term
Which of the following is the proper sequence of hemostasis |
|
Definition
platelet plug formation, vascular spasm, coagulation |
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Term
The type of leukocytes that contain large amounts of histamine are |
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Definition
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|
Term
The hormone that regulates erythrocyte production is called |
|
Definition
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|
Term
ABO blood groups are based on the presence of |
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Definition
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|
Term
Of the formed elements, which is the most nermous |
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Definition
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Term
Stoppage of blood flow is called |
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Definition
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|
Term
The term central nervous system refers to the |
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Definition
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Term
Which is the correct sequence of events that follow a threshold potential |
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Definition
2. sodium channels open and sodium ions diffuse inward. 1. the membrance becomes depolarized. 4. potassium channels open and potassium ions diffuse outward while sodium is activel6 transported out of the cell. 3. the membrane becomes repolarized. ((2,1,4,3)) |
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Term
IN what way does the interior surface of a cell membrane of a polarized neuron differ from the external environment? The interior is |
|
Definition
negatively charged and contains less sodium |
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Term
Ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid are |
|
Definition
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|
Term
Which of the following is a traumatic brain injury |
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Definition
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Term
Afferent nerves are also called |
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Definition
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|
Term
Which of the following is the correct sequence of nerves that exit the spinal cord, going from superior to inferior |
|
Definition
cervical, thoracic, lumbar, sacral |
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Term
The subarachnoid space lies directly between the |
|
Definition
arachnoid mater and pia mater |
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Term
The part of the neuron that normall receives stimuli is called a |
|
Definition
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|
Term
Control of temperature, endocrine activity, and thirst are functions associated with the |
|
Definition
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|
Term
Cell bodies of the sensory neurons of the spinal nerves are located in |
|
Definition
the dorsal root ganglia of the spinal cord |
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Term
Which of the following is the correct sequence from the outermost to innermost layers of the meninges |
|
Definition
dura mater, arachnoid mater, pia mater |
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Term
Which of the following are light touch receptors |
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Definition
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Term
The three major parts of the brain stem are the |
|
Definition
midbrain, pons, and medulla oblongata |
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Term
When a nerve fiber if polarized, the concentration of |
|
Definition
sodium ions is higher on the outside of its membrane and potassium is higher on the inside |
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|
Term
Lobe than containts the primary motor area |
|
Definition
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|
Term
Preparing the body for the fight-or-flight response is the role of the |
|
Definition
sympathetic nervous system |
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|
Term
Which of these effectors is NOT directly controlled by the autonomic nervous system |
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Definition
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|
Term
|
Definition
is essential for impulse propagation |
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Term
The blood brain barrier is effective against |
|
Definition
metabolic waste such as urea |
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|
Term
The sympathetic and parasympathetic nervous systems are subdivisions of the |
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Definition
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Term
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Definition
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|
Term
The spinal cord has gray matter on the |
|
Definition
inside, white matter on the outside, and a ventral motor root |
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|
Term
The central sulcus separates which lobes |
|
Definition
frontal lobe from parietal lobe |
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|
Term
|
Definition
is faster than conduction on an unmyelinated fiber |
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|
Term
The vital centers for the control of heart rate, respiration, and blood pressure are located in the |
|
Definition
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|
Term
The point at which an impulse from one nerve cell is communicated to another nerve cell is the |
|
Definition
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|
Term
A myelinated nerve fiber is characterized as being ____, whereas an unmyelinated nerve fiber is characterized as being ____ |
|
Definition
white, and composes of white matter of the brain and spinal cord; gray and composes the gray matter of the brain and spinal cord |
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|
Term
The groove separating the cerebral hemispheres is the |
|
Definition
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|
Term
Collections of nerve cell bodies outside the central nervous system are called |
|
Definition
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|
Term
If the area of the cerebral hemisphere corresponding to Broca's area is damaged, what is the result |
|
Definition
motor control of speech muscles is lost |
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|
Term
Which of the following numbers of pairs of spinal nerves is correct |
|
Definition
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|
Term
A neuron whose primary function is connecting other neurouns is called an |
|
Definition
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|
Term
The substance that is released at axonal endings to propagate a nervous impulse is called |
|
Definition
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|
Term
Impluse conduction is fastest in neurons that are |
|
Definition
|
|
Term
|
Definition
a mass of white lipid material that insulates the axon of a neuron |
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|
Term
Immediately after an action potential is propagated, which of the following ions diffuses out of the cell |
|
Definition
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|
Term
Which of the following is the correct sequence in a typical reflex are |
|
Definition
receptor, afferent neuron, integration center, efferent neuron, effector |
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|
Term
A shallow groove on the surface of the cortex is called a |
|
Definition
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|
Term
Elevated ridges on the surface of the cerebral hemispheres are called |
|
Definition
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|
Term
The layer of the heart wall that contains cardiac muscle tissue is the |
|
Definition
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|
Term
Which of the following areas receives blood direction from the four pulmonary veins |
|
Definition
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|
Term
Which of the following blood vessels is not part of the systemic circulation |
|
Definition
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|
Term
The mitral valvye prevents blood from flowing from the |
|
Definition
left ventricle to the left atrium |
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|
Term
The tricuspid valve is located between the |
|
Definition
right atrium and right ventricle |
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|
Term
The superior vena cava empties |
|
Definition
deoxygenated blood into the right atrium |
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|
Term
Which of the following blood vessels carries oxygenated blood |
|
Definition
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|
Term
The aoritc semilunar valve is composed of |
|
Definition
three cusps and opens when the left ventricle contracts |
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|
Term
The pacemaker of the heart is the |
|
Definition
|
|
Term
Which of the following is the correct path for the transmission of an impusle into the intrisic conduction system of the heart |
|
Definition
SA node, AV node, AV bundle, right and left bundle branches, Purkinje fibers |
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|
Term
A heart rate that is substantially slower than a normal one is caleld |
|
Definition
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|
Term
Which vessel receives blood during right ventricular systole |
|
Definition
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|
Term
The mitral valve is closed |
|
Definition
when the ventricle is contracting |
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|
Term
Blood enters which of these vessels during ventricular systole: |
|
Definition
A)Aorta and C) pulmonary trunk ((BOTH A AND C)) |
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|
Term
When considering the lub-dup heart sounds |
|
Definition
the first sound is longer and louder and is caused by closure of the AV valvues; the second sound is short and sharper and is caused by closure of semilunar valves |
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|
Term
The volume of blood pumped out by a ventricle with each beat of the heart is called the |
|
Definition
|
|
Term
The path of blood flow in the vascular system is |
|
Definition
arteries, arterioles, capillary beds, venules, veins |
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|
Term
An increase in parasympathetic nervous system activity causes |
|
Definition
a decrease in heart rate and cardiac output |
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|
Term
Which of the following is NOT part of the inner ear? |
|
Definition
|
|
Term
The hearing receptors are located within the |
|
Definition
|
|
Term
The auditory ossicles are located within the |
|
Definition
|
|
Term
Sound waves entering the external auditory canal hit the eardru, otherwise known as the |
|
Definition
|
|
Term
The anvil is actually the |
|
Definition
|
|
Term
The hearing receptors of the organ of Corti are called |
|
Definition
|
|
Term
The stapes transmits vibrations to the inner ear through the |
|
Definition
|
|
Term
Receptors stimulated by the movement of fluid or vibration are |
|
Definition
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|
Term
The portion of the bony labyrinth responsible for our sense of statis equilibrium is the |
|
Definition
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|
Term
An ear infection that follows a cold has passed from the throat through the auditory tube to the |
|
Definition
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|
Term
The fluid found between the osseous and membranous labryinths is the |
|
Definition
|
|