Luteinizing hormone (LH) binds to interstitial (Leydig) cells and
A. increases testosterone production by the interstitial cells.
B. inhibits sustentacular cells.
C. promotes sperm cell production by the interstitial cells.
D. decreases testosterone production by the interstitial cells.
E. stimulates GnRH levels to increase in the testes.
Answer: A
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Which of the following blood vessels directly interface with cells throughout the body?
A. Arterioles B. Capillaries C. Venules D. Veins
If a person is normovolemic and consumes a large quantity of a hyperosmotic solution, it will
A) have no effect on cell osmolarity and thereby cell size. B) cause cells to swell due to an increase in the osmolarity of extracellular fluid. C) cause cells to shrink due to an increase in the osmolarity of extracellular fluid. D) cause cells to swell due to a decrease in the osmolarity of extracellular fluid. E) cause cells to shrink due to a decrease in the osmolarity of extracellular fluid
Classify aldosterone to the appropriate group of hormones
A) mineralocorticoid B) glucocorticoid C) catecholamine D) androgenic steroid
Smooth muscle tissue is found in the organs of the digestive tract, the walls of blood vessels, and the iris
Indicate whether this statement is true or false.