This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
The most potent HMG-coA reductase inhibitors is 
Select and explain. 
A. Simvastatin, B. Atorvastatin, C. Rosuvastatin, D. Pitavastatin
D: Pitavastatin
Answer: D: Pitavastatin 
Explanation: Refer kDT 7/e p 637 The 3-hydroxy-3-methylglutaryl-coenzyme (HMG-CoA) reductase inhibitors, also known as statins, are the most effective class ofdrugs for lowering serum low-density lipoprotein cholesterol (LDL-c) concentrations