This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Statin having longest half life: \nSelect and explain. \nA. Rosuvastatin, B. Pravastatin, C. Simvastatin, D. Lovastatin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Rosuvastatin It is a competitive inhibitor of the enzyme HMG-CoA reductase, having a mechanism of action similar to that of other statins. Its approximate elimination half life is 19 h and its time to peak plasma concentration is reached in 3-5 h following oral administration. REF : katzung pharmacology : 14th ed', 'role': 'assistant'}]