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Pancreatic Enzymes and Lipid Degradation Quiz
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Pancreatic Enzymes and Lipid Degradation Quiz

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Questions and Answers

What enzyme is responsible for the enzymatic degradation of dietary TAG, cholesteryl esters, and phospholipids?

  • Bile salts
  • Pancreatic lipase (correct)
  • Colipase
  • Pancreatic cholesteryl ester hydrolase
  • What is the primary product of TAG hydrolysis by pancreatic lipase?

  • Cholesteryl esters
  • 2-monoacylglycerol and free fatty acids (correct)
  • Phospholipids
  • Bile salts
  • Which protein binds the lipase at the lipid-aqueous interface and restores its activity in the presence of inhibitory substances like bile acids?

  • Pancreatic lipase
  • Bile salts
  • Colipase (correct)
  • Pancreatic cholesteryl ester hydrolase
  • What effect does Orlistat, an antiobesity drug, have on gastric and pancreatic lipases?

    <p>Inhibits their activity</p> Signup and view all the answers

    What activates the cholesteryl ester hydrolase for the degradation of cholesteryl esters?

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

    What is the primary site of lipid digestion in the small intestine?

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

    Which enzyme is responsible for converting fatty acids into their activated form?

    <p>Fatty acyl-CoA synthetase</p> Signup and view all the answers

    What is the role of mixed micelles in lipid absorption by the intestinal mucosa?

    <p>They are not required for lipid absorption</p> Signup and view all the answers

    What can cause lipid malabsorption resulting in increased lipid in the feces?

    <p>Disturbances in lipid digestion and/or absorption</p> Signup and view all the answers

    Where does the biosynthesis of complex lipids take place after absorption by enterocytes?

    <p>Endoplasmic reticulum</p> Signup and view all the answers

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