Chylomicrons in Lipid Absorption
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Questions and Answers

What must happen for LDLs to be taken up by cells?

  • LDL particle must bind to a phospholipid receptor
  • LDL particle must bind to a cholesterol receptor
  • LDL particle must bind to an HDL receptor
  • LDL particle must bind to an LDL receptor (correct)
  • Which lipoproteins return unused cholesterol to the liver?

  • LDLs
  • HDLs (correct)
  • VLDLs
  • IDLs
  • What happens to phospholipids during digestion in the small intestine?

  • They are eliminated in the feces if undigested
  • They are emulsified by bile and transported as micelles
  • They are dismantled into free fatty acids and a phospholipid remnant (correct)
  • They are absorbed intact through the intestinal wall
  • What is the number-one killer of adults in the United States?

    <p>Cardiovascular disease</p> Signup and view all the answers

    How are sterols absorbed through the intestinal wall?

    <p>They are absorbed intact through the intestinal wall</p> Signup and view all the answers

    How does atherosclerosis affect blood flow?

    <p>It narrows arteries and impedes blood flow</p> Signup and view all the answers

    What are LDLs commonly referred to as due to their association with heart disease risk?

    <p>'Bad' cholesterol</p> Signup and view all the answers

    How are high levels of HDLs in the blood associated with heart disease risk?

    <p>They reduce heart disease risk</p> Signup and view all the answers

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