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: Medicine
[{'content': 'Acetazolamide is associated with: \nSelect and explain. \nA. Metabolic acidosis, B. Metabolic alkalosis, C. Both of the above, D. None of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: The carbonic anhydrase-inhibiting drugs are only moderately effective as diuretic agents, but because they inhibit acid secretion by decreasing the supply of carbonic acid, they have far-reaching effects. Not only is Na+ excretion increased because H+ secretion is decreased, but also HCO3- reabsorption is depressed; and because H+ and K+ compete with each other and with Na+, the decrease in H+ secretion facilitates the secretion and excretion of K+. Ref: Ganong's Review of Medical Physiology 23rd edition, Chapter 38.", 'role': 'assistant'}]