Lipid Metabolism: Digestion and Absorption
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Questions and Answers

What is the pH range for lingual lipase?

  • pH 7-8
  • pH 4-6 (correct)
  • pH 1-2
  • pH 5-7

What is the function of cholecystokinin (CCK)?

  • Induce gallbladder contraction and increase bile secretion (correct)
  • Decrease pancreatic lipase secretion
  • Increase gastric acid secretion
  • Decrease pancreatic bicarbonate secretion

Where is the digestion of lipids limited?

  • Mouth (correct)
  • Small intestine
  • Stomach
  • Pancreas

What is the optimal pH for gastric lipase?

<p>pH 6 (C)</p> Signup and view all the answers

What type of fatty acids can be absorbed directly into the blood in the stomach of a child?

<p>Short and medium chain fatty acids (D)</p> Signup and view all the answers

What is the function of secretin?

<p>Increase pancreatic bicarbonate secretion (B)</p> Signup and view all the answers

What type of lipids are digested in the mouth?

<p>Triacylglycerol (TAG) and cholesterol ester (D)</p> Signup and view all the answers

What is the main source of food for a child that contains short chain fatty acids?

<p>Milk (C)</p> Signup and view all the answers

What is the pH range of gastric lipase in a child?

<p>4-6 (C)</p> Signup and view all the answers

What is the role of bile secretion in the small intestine?

<p>To neutralize the pH of the small intestine (A)</p> Signup and view all the answers

What is the primary function of pancreatic lipase in the small intestine?

<p>To digest lipids (B)</p> Signup and view all the answers

What is the outcome of the arrival of chyme acid from the stomach in the small intestine?

<p>Release of hormones from intestinal cells (D)</p> Signup and view all the answers

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