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

Which lipoprotein is associated with the highest percentage of cholesterol?

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

Which lipoprotein is responsible for reverse cholesterol transport?

<p>HDL2 (D)</p> Signup and view all the answers

Which lipoprotein is least dense and larger in size?

<p>Chylomicrons (A)</p> Signup and view all the answers

Which lipoprotein is involved in reverse cholesterol transport?

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

Which apolipoprotein is the major component of HDL?

<p>ApoA-I (C)</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) (C)</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 (A)</p> Signup and view all the answers

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

<p>Chylomicrons (D)</p> Signup and view all the answers

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

<p>LDL (B)</p> Signup and view all the answers

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

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

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

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

Which lipoprotein is the precursor of LDL?

<p>IDL (D)</p> Signup and view all the answers

Which lipoprotein is responsible for reverse cholesterol transport?

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

Which lipoprotein is associated with the highest percentage of triglycerides?

<p>Chylomicrons (A)</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) (D)</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 (D)</p> Signup and view all the answers

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

<p>LDL (B)</p> Signup and view all the answers

Which lipoprotein is responsible for delivering cholesterol to cells?

<p>LDL (A)</p> Signup and view all the answers

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

<p>Chylomicrons (A)</p> Signup and view all the answers

Which lipoprotein is responsible for delivering cholesterol to cells?

<p>HDL (B)</p> Signup and view all the answers

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

<p>LDL (D)</p> Signup and view all the answers

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

<p>Chylomicrons (D)</p> Signup and view all the answers

Which lipoprotein is associated with the highest percentage of cholesterol?

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

Which lipoprotein is responsible for reverse cholesterol transport?

<p>HDL (B)</p> Signup and view all the answers

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

<p>HDL (B)</p> Signup and view all the answers

Which lipoprotein is involved in reverse cholesterol transport?

<p>HDL (D)</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 (B)</p> Signup and view all the answers

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

<p>LDL (A)</p> Signup and view all the answers

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

<p>LCAT (A)</p> Signup and view all the answers

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