In the stomach:
a. pepsin converts hydrochloric acid to pepsinogen
b. pepsin converts pepsinogen to hydrochloric acid
c. hydrochloric acid converts pepsinogen to pepsin
d. hydrochloric acid converts pepsin to pepsinogen
c. hydrochloric acid converts pepsinogen to pepsin
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Glucagon:
a. is released by pancreatic beta cells b. accelerates liver glycogenolysis c. causes a drop in blood glucose levels d. all of the above
Drugs that treat hypertension by preventing Angiotensin I from becoming Angiotensin II are called
A) beta blockers. B) calcium channel blockers. C) ACE inhibitors. D) diuretics.
What action causes the second heart sound heard through a stethoscope?
A) Opening of the atrioventricular valves B) Opening of the semilunar valves C) Closing of the atrioventricular valves D) Closing of the semilunar valves
What type of tissue covers the epiphysis of bones and reduces friction in the joints?
A) yellow marrow B) endosteum C) spongy bone D) periosteum E) articular cartilage