This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2017, Subject name: Pharmacology
[{'content': 'Atorvastatin is used as an anti-dyslipidemic drug. These drugs inhibit their target enzyme by:- \nSelect and explain. \nA. Competitive inhibition, B. Noncompetitive inhibition, C. Uncompetitive, D. Irreversible inhibition', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Atorvastatin - anti dyslipidemic drug Inhibits HMG COA reductase Competitive Inhibition Atorvastatin Antioxidant properly High efficacy, most commonly used statin capable lowering LDH by 55-60 % Longer plasma t 1/2 14 - 18 hrs Competitive Non competitive Antagonist bind with the Same receptor as the agonist Antagonist resembles chemically with the agonist Km increase Binds to another site of receptor Does not resemble Vm decrease', 'role': 'assistant'}]