1. The reflex most likely responsible for prompting the urge to defecate that occurs within 10 minutes of eating something (i.e., after your morning coffee) would be the:
a. ileogastric reflex
b. intestine-intestinal reflex
c. colonorectal reflex
d. cologastric reflex
e. gastrocolic reflex
2. A patient with damaged salivary glands would be likely to demonstrate:
a. more teeth and mouth problems.
b. poor primary peristalsis.
c. inadequate digestion of fats.
d. inadequate digestion of carbohydrates.
3. If you give a student a cookie that she loves,
a. she'll begin the cephalic phase of digestion, even if she is dieting.
b. gastric motility will increase.
c. the salivary glands will increase their secretion.
d. the vagus nerve activity will increase.
e. all of the above statements are true.
4. The enzyme most important for normal function of the parietal cells is:
a. pepsin
b. carbonic anhydrase
c. gastrin
d. acetylcholine
e. the Cl/HCO3 ATPase
5. The initial act of swallowing would be most affected by:
a. cutting the vagus nerve.
b. anesthetizing the lining of the mouth and pharynx.
c. giving a receptor blocker for serotonin.
d. preventing the act of mastication.
e. increasing the activity of the sympathetic nervous system.