Cholesterol Transport and Metabolism
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Questions and Answers

Which lipoprotein is responsible for transporting cholesterol from the liver to peripheral tissues?

  • IDL
  • VLDL (correct)
  • Chylomicrons
  • LDL
  • Which lipoprotein is commonly referred to as 'bad cholesterol'?

  • VLDL
  • Chylomicrons
  • LDL (correct)
  • IDL
  • Which enzyme is responsible for converting VLDL to IDL?

  • Lipoprotein lipase
  • Hepatic lipase (correct)
  • Lecithin-cholesterol acyl transferase (LCAT)
  • Phospholipid transfer protein (PLTP)
  • Which lipoprotein is responsible for delivering cholesterol to cells?

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

    Which lipoprotein is associated with the highest percentage of cholesterol?

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

    Which lipoprotein is responsible for reverse cholesterol transport?

    <p>HDL2</p> Signup and view all the answers

    Which lipoprotein is least dense and larger in size?

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

    Which lipoprotein is involved in reverse cholesterol transport?

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

    Which apolipoprotein is the major component of HDL?

    <p>ApoA-I</p> Signup and view all the answers

    Which enzyme is responsible for the majority of cholesteryl ester production in circulating lipoproteins?

    <p>Lecithin-cholesterol acyltransferase (LCAT)</p> Signup and view all the answers

    Which disorder is characterized by a complete absence of HDL due to a deficiency of ABCA1?

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

    Which lipoprotein is responsible for delivering dietary triglycerides to peripheral tissues?

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

    Which lipoprotein is the major carrier of cholesterol in the bloodstream?

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

    Which lipoprotein is responsible for transporting endogenous triglycerides from the liver to peripheral tissues?

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

    Which lipoprotein is responsible for delivering endogenous lipids to peripheral tissues?

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

    Which lipoprotein is the precursor of LDL?

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

    Which lipoprotein is responsible for reverse cholesterol transport?

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

    Which lipoprotein is associated with the highest percentage of triglycerides?

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

    Which enzyme is responsible for the majority of cholesteryl ester production in circulating lipoproteins?

    <p>Lecithin-cholesterol acyltransferase (LCAT)</p> Signup and view all the answers

    Which disorder is characterized by a complete absence of HDL due to a deficiency of ABCA1?

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

    Which lipoprotein is commonly referred to as 'bad cholesterol'?

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

    Which lipoprotein is responsible for delivering cholesterol to cells?

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

    Which lipoprotein is responsible for transporting dietary triglycerides from the intestine to peripheral tissues?

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

    Which lipoprotein is responsible for delivering cholesterol to cells?

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

    Which lipoprotein is commonly referred to as 'bad cholesterol'?

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

    Which lipoprotein is responsible for delivering dietary lipids to the liver?

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

    Which lipoprotein is associated with the highest percentage of cholesterol?

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

    Which lipoprotein is responsible for reverse cholesterol transport?

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

    Which lipoprotein is commonly referred to as 'good cholesterol'?

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

    Which lipoprotein is involved in reverse cholesterol transport?

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

    Which disorder is characterized by a complete absence of HDL due to a deficiency of ABCA1?

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

    Which lipoprotein is commonly referred to as 'bad cholesterol'?

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

    Which enzyme is responsible for the majority of cholesteryl ester production in circulating lipoproteins?

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

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