This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pharmacology
[{'content': 'The antihypertensive which causes decreased libido and impotence is: \nSelect and explain. \nA. Atenolol, B. Enalapril, C. Prazosin, D. Diltiazem', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (A) Atenolol(Ref: KDT 8th/e p161)Current hypertensive research May 2012; Antihypertensive treatment and sexual dysfunction.*Diuretics have maximum risk of causing sexual dysfunction followed by beta blockers.*Atenolol, metoprolol and carvedilol have high risk whereas nevibolol has minimum risk of erectile dysfunction.*ACE inhibitors decrease the risk.', 'role': 'assistant'}]