This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Pharmacology
[{'content': 'Drug of choice for prophylaxis of acute mountain sickness is? \nSelect and explain. \nA. Diltiazem, B. Digoxin, C. Dexamethasone, D. Acetazolamide', 'role': 'user'}, {'content': 'Answer: D \nExplanation: DOC for acute mountain sickness are Carbonic anhydrase inhibitors like Acetazolamide. BEST treatment is to descent down because it occurs due to decreased pO2 at high altitudes. DOC for motion sickness is Hyoscine.', 'role': 'assistant'}]