<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 56-year-old man comes to the office complaining of a dry cough for 2 months. His medical history includes a recent myocardial infarction MI, after which he was placed on several medications. He is currently on ramipril, clopidogrel, digoxin, lovastatin, and nitroglycerin. He does not smoke cigarettes and does not drink alcohol. He denies a history of bronchial asthma. Examination of the chest is within normal limits. Which of the following medications may have caused his symptom?? A: Ramipril, B: Clopidogrel, C: Nitroglycerin, D: Lovastatin, E: Digoxin,  <response>: This is a clinical vignette about a 56-year old man with a 2-month history of dry cough. He has a history of recent myocardial infarction and is on several cardiac medications. The question asks which of his medications may be causing his dry cough symptom.To answer this, we need to consider which of the medications he is on can cause dry cough as a side effect. The choices given are ramipril, clopidogrel, nitroglycerin, lovastatin, and digoxin. Ramipril is an ACE inhibitor used for hypertension and heart failure. ACE inhibitors are known to commonly cause dry cough. Clopidogrel is an antiplatelet and digoxin is for heart failure - neither typically causes cough. Nitroglycerin can cause headache but not dry cough. Lovastatin is a statin and statins have not been associated with dry cough.Based on the medication side effect profiles, ramipril is the most likely cause of his dry cough.A: Ramipril 