QUESTION 1 Lipids are broken down by bile and lipases into what? A. Trans fats B. Saturated fats C. Monoglycerides D. Triglycerides QUESTION 2 Which of the following is part of the neuroendocrine regulation of digestion? A. Activation of the Enteric Nervous System B. The release of hormones from accessory organs C. Protein activation of chemoreceptors in the stomach, which induces gastrin release D. All the above QUESTION 3 The pancreas releases: A. lipase B. chymotrypsin C. bicarbonate D. all the above QUESTION 4 Which of the following enzymes break down protein? A. Trypsin B. Amylase C. Gastrin D. All the above
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1. Which process of digestion incorrectly pairs the enzyme or compound with its function? A. Pepsin digests protein B. Lipase digests fat C. HCl lowers the pH in the intestine D. Amylase digests starch 2. Of the answers, which best describes bile? A. The fluid secreted from the pancreas that emulsifies fat. B. The enzyme secreted from the liver that breaks down fat. C. The enzyme from the pancreas that breaks down complex sugars. D. The fluid secreted from the liver that emulsifies fat.
Mystique T.
Which one of the following statements about the digestion of lipids is correct? a. Formation of chylomicrons is independent of protein synthesis in the intestinal mucosa b. secretin facilitates the binding of bile salts to mixed micelles, maximizing the activity of pancreatic lipase. c. Patients with CF, a genetic disease due to a deficiency of functional CFTR, have thickened secretions that impede the flow of pancreatic enzymes into the duodenum d. Large lipid droplets are emulsified (have their surface area increased) in the mouth through the act of chewing (mastication). e. The enzyme colipase causes the gallbladder to contract and release bile. f. Lipid digestion begins with acid-stable lipases that primarily use TAG with long to very long-chain fatty acids as substrates.
Adi S.
Bile a. is an important enzyme for the digestion of fats. b. cannot be stored. c. is made by the gallbladder. d. emulsifies fat. e. All of these are correct.
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