I CELLS SECRETE: Group of answer choices Cholecystokinin Secretin Trypsin Lypase
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The question mentions "I cells," which are typically associated with the enteroendocrine cells found in the gastrointestinal tract. Show more…
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1. Match the following gastric secretions with the cells in the gastric glands that produce them. 1. pepsinogen (pepsin) 2. hydrochloric acid 3. gastrin A. chief cell B. parietal cell C. G cell 2. From the options below, select the functions of the liver. a. the stabilization of blood glucose levels via the storage or breakdown of glycogen b. the conversion of ammonia to urea c. the synthesis of plasma proteins d. the synthesis and secretion of digestive enzymes into the duodenum e. the storage of fat-soluble vitamins 3. The gastroileal reflex triggers closure of the ileocecal valve when the stomach fills. True False 4. Select all of the enzymes that help to break down proteins. a. lingual lipase b. nuclease c. pepsin d. pancreatic alpha amylase e. carboxypeptidase f. chymotrypsin 5. The enterogastric reflex triggers a decrease in stomach activity when chyme enters the duodenum. True False 6. Put the layers of the digestive tract wall in order from innermost (in contact with food) to outermost. a. mucosa b. submucosa c. muscularis externa d. serosa
Adi S.
Match each statement to an answer in the key. Answers may be used more than once. Some may have more than one answer. a. gastrin b. secretin c. $\mathrm{CCK}$ d. All of these are correct. e. None of these is correct. Secreted by duodenum
1. This liver cell combines simple carbohydrates to form glycogen, creates lipids from glucose and amino acids, distributes amino acids to blood, and breaks down amino acids into glucose or triglycerides. 2. This cell produces gastrin in the stomach; gastrin stimulates secretion of gastric juices, GI tract motility, and pyloric sphincter opening. 3. This cell of the small intestine absorbs molecules through simple or facilitated diffusion as well as active transport. Microvilli on the apical surface increase its surface area. 4. This cell secretes cholecystokinin, a hormone that stimulates secretion of pancreatic juice, causes ejection of bile from the gall bladder, and inhibits gastric emptying. 5. This cell secretes pancreatic juices. 6. This cell secretes secretin which stimulates pancreatic acinar and ductal cells. 7. This cell secretes HCl acid in the stomach. 8. This cell of the stomach produces pepsinogen, which becomes pepsin; pepsin can break proteins down into peptides. It also secretes gastric lipase, which breaks down lipids.
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