sample test auestions

Thyroid hormone (a small, iodinated amine) enters target cells in a manner similar to:

b. steroid hormones, because both diffuse easily into target cells.

A patient is receiving treatment for DVT (deep vein thrombosis) a condition that occurs when a clot develops in a vein in the legs without a break in a vessel. What could result if this clot were to be dislodged before treatment?

b. pulmonary embolus

Cytotoxic T cells

c. are involved in killing virus invaded body cells and cancer cells.

What are specialized lymph capillaries in the intestinal muscosa called?

b. Lacteals

Capillaries are often termed exchange vessels due to their ability to facilitate what process?

d. Diffusion of substances between blood and tissues

Which structure prevents backflow int the right strium during ventricular contraction?

B. Tricuspid valve

All of the following are characteristics of inspiration EXCEPT:

a. the diaphragm and intercostal muscles relax and the rib cage rises.

is a hormone produced by the small intestine which only functions to stimulate the stomach's gastric glands and increase gastric motility.

c. intestinal gastrin

The pressure within the alveoli of the lungs is referred to as:

a. intrapulmonary pressure

All of the following are true of transport maximums EXCEPT

d. only when the carriers are saturated are excess molecules reabsorbed.

The renin-angiotensin mechanism stimulates the release of ___ which causes the reabsorption of___ and ___.

a. aldosterone, Na+, water

Which is true regarding the prostate gland?

b. it produces a milky, slightly acid fluid which contains citrate, enzymes and PSA.