This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Potassium-sparing diuretics acts at the level of \nSelect and explain. \nA. Na k pump, B. Aldosterone receptor, C. Na CL sympoer, D. Carbonic anhydrase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Spironolactone acts at the level of mineralocoicoid or aldosterone receptor, triamterene, amiloride acts on epithelial sodium channelsRef:KDtripati 6th ed pg 569', 'role': 'assistant'}]