1 .		Which one of the following organs is NOT a part of the digestive system? [Hint]
2 .		Of the following selections, the one which contains only accessory organs is: [Hint]
3 .		The lining of the digestive tract plays a defensive role by protecting surrounding tissues against: [Hint]
4 .		The mucous-producing, unicellular glands found in the mucosal epithelium of the stomach and small and large intestine are: [Hint]
5 .		Which of the layers of the digestive tube is (are) most responsible for peristalsis along the esophagus? [Hint]
6 .		Which of the following is true about peristalsis in the esophagus? [Hint]
7 .		Swirling, mixing, and churning motions of the digestive tract provide: [Hint]
8 .		The three pairs of salivary glands that secrete into the oral cavity include the: [Hint]
9 .		Crushing, mashing, and grinding of food is best accomplished by the action of the: [Hint]
10 .		Stomach emptying occurs more rapidly when: [Hint]
11 .		The hormone gastrin: [Hint]
12 .		The three divisions of the small intestine are: [Hint]
13 .		The three phases of gastric function include: [Hint]
14 .		The functions of the gallbladder involve: [Hint]
15 .		The primary function(s) of the liver is (are): [Hint]
16 .		The hormone that promotes the flow of bile and of pancreatic juice containing enzymes is: [Hint]
17 .		The secretion of parietal cells, which facilitate absorption of vitamin B12 across the intestinal lining, is: [Hint]
18 .		The central mechanisms regulating gastric function are: [Hint]
19 .		Undigested food residues are moved through the large intestine in the following sequence: [Hint]
20 .		Hydrochloric acid in the stomach functions primarily to: [Hint]
21 .		Lipids are absorbed into lacteals instead of capillaries because: [Hint]
22 .		Stretching of the duodenum causes: [Hint]
23 .		Blockage of the pancreatic duct would cause: [Hint]
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