Pharmacology: Bile Acid Sequestrants and Statins
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Questions and Answers

What is the fate of chylomicron remnants in the liver?

  • They are converted into LDL
  • They are transported back into the bloodstream
  • They are further metabolized into VLDL
  • They are stored, oxidized to bile acids, or secreted in the bile (correct)

What is the role of lipoprotein lipase in triglyceride regulation?

  • It oxidizes cholesterol to bile acids
  • It hydrolyzes triglycerides in chylomicrons and VLDL into FFA (correct)
  • It converts LDL into HDL
  • It assembles cholesterol and triglycerides into VLDL

What is the primary function of inhibitors of intestinal cholesterol absorption?

  • To reduce cholesterol absorption in the gut (correct)
  • To increase triglyceride synthesis
  • To oxidize cholesterol to bile acids
  • To increase VLDL production

What is the primary mechanism of action of cholestyramine and colestipol?

<p>Forming complexes with bile acids in the intestine (A)</p> Signup and view all the answers

What happens to cholesterol in LDL?

<p>It is utilized by tissues, returns to the liver, or deposited in blood vessels (A)</p> Signup and view all the answers

What is the therapeutic use of nicotinic acid?

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

What is the primary goal of non-drug therapy for hyperlipidemia?

<p>To modify lifestyle through diet control, weight reduction, and exercise (D)</p> Signup and view all the answers

What is the effect of HMG-CoA reductase inhibitors on cholesterol synthesis?

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

What is the effect of fibric acid derivatives on peripheral catabolism of VLDL and chylomicrons?

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

What is the class of drugs that include Atorvastatin, Simvastatin, and Lovastatin?

<p>HMG-CoA reductase inhibitors (B)</p> Signup and view all the answers

What is the potential adverse effect of combining statins with fibrates?

<p>Increased risk of myopathy (A)</p> Signup and view all the answers

What is the effect of cholestyramine and colestipol on the absorption of fat-soluble vitamins?

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

What is the primary function of high density lipoproteins (HDLs) in the blood?

<p>To collect fat from cells and tissues and return it to the liver (C)</p> Signup and view all the answers

What is the main component of chylomicrons?

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

What is the purpose of apolipoproteins in lipid transport?

<p>To facilitate the transport of lipids through the bloodstream (D)</p> Signup and view all the answers

What is the term for an excess of fatty substances called lipids in the blood?

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

What is the transitional form between chylomicrons and low-density lipoproteins?

<p>Intermediate density lipoproteins (IDLs) (B)</p> Signup and view all the answers

What is the site of production of chylomicrons?

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

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