Pharmacology · single question
What is the mechanism of action of rosuvastatin?
Show answer and explanation
Correct answer: B. HMG-CoA reductase inhibitor
- A. Bile acid sequestrants (e.g., cholestyramine) act in the gut, not on cholesterol synthesis.
- B. Correct. Statins inhibit HMG-CoA reductase, reducing hepatic cholesterol synthesis.
- C. Fibrates mainly lower triglycerides via a different pathway.
- D. PCSK9 inhibitors are injectable monoclonals, not statins.