Question

1. Food entering the small intestines would: stimulate the production of Hci b. produce secretin and halt gastric emptying c. activate stomach contractions d. stimulate the production of gastrin 2. Which of the following is not a correct statement about the stomach? a. intrinsic factor facilitates the absorption of vitamin C across b. hydrochloric acid lowers the pH of the gastric juice c. folds of rugae, allow for increased stretching of the stomach d. Gastrin stimulates the secretion of parietal and chief cells the intestinal lining 3. Secretin and cholecystokinin stimulates secretion of the a. gastric cells of the stomach b. salivary glands c. pancreas and gall bladder d. intrinsic factor 4. The primary post absorption regulating hormone is a. insulin b. CCK d. secretin e.gastrin c glucagon 5. What hormone is initially required to activate pepsinogen? a. secretin c. gastrin d. glucagoneinsulin 6. The hormone that is directly responsible for stopping the formation of the ovum is a. Estrogen b. LH c. inhibin d. GnRH 7. The duodenum receives all of the following except: a. acidic chyme from the stomach b. pancreatic enzymes c. bile d. gastrin
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Answer #1

1. b) Secretin is a hormone that regulates water homestasis, it is produced by the S cells of duodeneum.

2.. a) small intestine is where absorption of vitamin C occurs.

3. c) cholesystokinin stimulates the gall bladder to release bile, secretin stimulates pancreas.

4. a) insulin is released after the intake of food

5. c) gastrin stimulates gastric glands to secrete pepsinogen

6. c) inhibin inhibits FSH production in females

7. d) gastrin is a hormone produced in the stomach.

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