In humans, the hormone cholecystokinin O A. activates pathways that produce satiety signals in the brain. O B. induces the pancreas to secrete the zymogen forms of certain digestive enzymes. O C. induces the gall bladder to release biles salts into the intestine. A and B O all of the above
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- A hormonal trigger for increased enzyme production by the pancreas is А. ССК B. secretin C. enteropeptidase D. HCO3Which of the following statements about the pancreas is correct? Select one: A. Pancreatic duct cells are enzyme- producing cells. B. There are more exocrine cells than endocrine cells in the pancreas. C. Acinar cells are responsible for the production of bicarbonate ions. D. Pancreatic juice is produced by the islets of Langerhans. E. Trypsinogen in pancreatic juice can digest proteins into amino acids.Which of the following is NOT true about secretin? a It gets released in response to acidic chyme b It stimulates the production of bicarbonate c It stimulates the gallbladder to contract. d All of the choices are true about secretin
- All of the following are true with respect to alpha-glucosidase inhibitor, except:A. It inhibits intestinal alpha-glucosidase B. It decreases enzymatic conversion of oligo- to monosaccharidesC. It lowers postprandial glucoseD. It causes gastrointestinal disturbances.E. It may cause development of hypertension.Dietary fiber delays gastric emptying time and shortens intestinal transit time. What metabolic effect may result from this in a person with diabetes mellitus? Decrease in ketone production а. b. Increase in blood glucose level С. Reduction in blood glucose level d. Increase in glucose absorptionThe 3 major enzymes secreted by the pancreas into the duodenum are: a. protease, amylase, maltase b. trypsin, lipase, lactase c. lipase, protease, trypsinogen d. lipase, amylase, trypsinogen e. none of the above
- The function of bile salts is toa. act as detergents.b. calm digestion.c. stimulate the gallbladder.d. digest carbohydratesIn the figure, cells of the secrete HCI, which Pepsinogen Pepsin HCI Lumen a. small intestine epithelium; keeps pepsin in its inactive form so the cells themselves are not digested O b. stomach epithelium; activates pepsinogen to form pepsin O c. pancreas; activates pepsinogen to form pepsin d. stomach submucosa; causes a low pH that activates pepsin е. pancreas epithelium; causes high acidity in the stomach, activating pepsinogen as a digestive enzymeWhich of the following is true about segmentation in the small intestine?a. It is a type of peristalsis.b. It moves chyme only from the duodenum to the ileum.c. Its frequency is the same in each intestinal segment.d. It is unaffected by cephalic phase stimuli.e. It produces a slow migration of chyme to the large intestine.
- Which of the following is true about pepsin? a. Most pepsin is released directly from chief cells.b. Pepsin is most active at high pH.c. Pepsin is essential for protein digestion.d. Pepsin accelerates protein digestion.e. Pepsin accelerates fat digestion.Which of the following answer choices is true of bile salts? Select one: a. They increase efficiency of pepsin action b. They are synthesized in the pancreas c. They are a normal part of secretions in the monogastric stomach d. They emulsify fat in the duodenum e. They function as digestive enzymesDietary fiber delays gastric emptying time and shortens intestinal transit time. What metabolic effect may result from this in a person with diabetes mellitus? а. Decrease in ketone production Increase in blood glucose level С. Reduction in blood glucose level d. Increase in glucose absorption