Damage to parietal cells of the stomach would cause which dysfunction? Select one: a. Vitamin B12 would not be absorbed due to insufficient release of micelles. b. Gastric lipase would not digest lipids due to its insufficient release. c. Pepsin would not be activated by HCl due to insufficient release of pepsinogen. d. Vitamin B12 would not be absorbed due to insufficient release of intrinsic factor. e. Pepsinogen would not be activated by HCl due to insufficient release of pepsin.
Added by Kelly M.
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HCl is important for activating pepsinogen to pepsin, which is an enzyme that breaks down proteins. Intrinsic factor is necessary for the absorption of vitamin B12 in the small intestine. Show more…
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Adi S.
If the fat in whole milk is ingested: a. the stomach, with its high $p H,$ will stimulate cells of the duodenum to hasten stomach emptying. b. parietal cells in the stomach will absorb it. c. in the small intestine, bile salts emulsify the fats and then lipase hydrolyzes them. d. lactase deficiency in the small intestine would prevent its digestion. e. microvilli will absorb the fat in the form of chylomicrons directly into the blood of the hepatic portal vein.
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