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': 'Diuretic used in mountain sickness? \nSelect and explain. \nA. Hydrochohiazide, B. Furesemide, C. Acetazolamide, D. Spironolactone', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ACTIONS OF ACETAZOLAMIDE: i) Lowering of intraocular tension due to decreased formation of aqueous humor (it is rich in HC03). 2) Raised level of C02 in the brain and lowering of pH - sedation and elevation of seizure threshold. 3) Alteration of C02 transpo in lungs and tissues: - used in high altitude or mountain sickness ( Essentials of Medical Pharmacology, K.D Tripathi,6th edition )', 'role': 'assistant'}]