This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'A Patient who is on antihypertensive drug develops a dry cough. Which of the following drug might be responsible for the condition: \nSelect and explain. \nA. Diuretics, B. ACE inhibitors, C. Calcium channel blockers, D. Beta blockers', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The angiotensin-converting enzyme normally helps in conversion of angiotensin I to angiotensin II, which acts as a vasoconstrictor in case of hypovolemia.\nIn addition to that, ACE also helps in the breakdown of bradykinin.\nWhen ACE inhibitors (captopril) are given, it inhibits ACE and in addition inhibits the breakdown of bradykinin also, which leads to accumulation of bradykinin level in the body.\nThis increased level of bradykinin presents with a Dry cough, rashes, urticaria and angioedema.', 'role': 'assistant'}]