Mixed Micelles in Lipid Absorption
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Questions and Answers

What is the primary function of lingual and gastric lipases in patients with a near or complete absence of pancreatic lipase?

  • Enhancing the action of bile salts
  • Aiding in the emulsification of fats
  • Assisting in the chemical digestion of lipids
  • Breaking down TAG molecules (correct)
  • How do bile salts contribute to the emulsification process of dietary lipids?

  • Stabilizing lipid particles to prevent coalescing (correct)
  • Promoting the enzymatic degradation of cholesteryl esters
  • Chemically breaking down lipids
  • Increasing the hydrophobic nature of lipids
  • Which mechanism increases the surface area of hydrophobic lipid droplets for effective enzyme action in the small intestine?

  • Interaction of bile salts with dietary lipid particles
  • Emulsification using water-soluble enzymes
  • Peristalsis (correct)
  • Chemical breakdown by bile salts
  • What is the role of pancreatic enzymes in the degradation of dietary lipids?

    <p>Breaking down TAG, cholesteryl esters, and phospholipids</p> Signup and view all the answers

    Which statement accurately describes the function of mixed micelles in lipid absorption?

    <p>Facilitating the passage of lipids through the intestinal wall</p> Signup and view all the answers

    How do bile salts interact with dietary lipid particles during emulsification?

    <p>Stabilize lipid particles and prevent coalescing</p> Signup and view all the answers

    Which process occurs in the duodenum and helps increase the surface area of hydrophobic lipid droplets?

    <p>Peristalsis</p> Signup and view all the answers

    What is a derivative of cholesterol that plays a key role in emulsifying dietary lipids?

    <p>Bile Salts</p> Signup and view all the answers

    What is the primary function of lingual and gastric lipases in patients with a near or complete absence of pancreatic lipase?

    <p>Degrading TAG molecules</p> Signup and view all the answers

    What does emulsification achieve in lipid digestion?

    <p>Increase surface area for enzyme action</p> Signup and view all the answers

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