This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'Which of the following potassium sparing diuretics reduce cardiac moality \nSelect and explain. \nA. Spiranolactone, B. Amiloride, C. Triampterine, D. All the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Spironolactone is a potassium-sparing diuretic (water pill) that prevents your body from absorbing too much salt and keeps your potassium levels from getting too low.Spironolactone is used to treat hea failure, high blood pressure (hypeension), or hypokalemia (low potassium levels in the blood). Refer kDT 7/e p 524', 'role': 'assistant'}]