What chemical in saliva partially breaks down carbohydrates during the process of mastication?
A. Lingual lipase
B. Amylase
C. Water
D. None of these are correct.
Answer: B
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The inferior mesenteric artery supplies blood to the
A. sigmoid colon and ascending colon. B. sigmoid colon. C. transverse colon, descending colon, sigmoid colon, and rectum. D. transverse colon and descending colon. E. transverse colon.
In the classical pathway of complement activation,
A. complement is activated within liver cells and released into the blood. B. complement binds to an antibody that is bound to a foreign substance. C. complement binds with polysaccharides on a microbial cell wall. D. complement inhibits inflammation and binds to opsonins.
A person suffering from ________ can see distant objects more clearly than those that are close.
A) myopia B) hyperopia C) glaucoma D) emmetropia E) cataracts
What effect does a ?2 agonist have on the diameter of respiratory passages?
A) The diameter of the respiratory passageways will decrease. B) The diameter of the respiratory passageways will increase. C) The drug will have no effect on passageway diameter. D) The diameter of the respiratory passageways will decrease first, and then increase.