This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diuretic, Subject name: Pharmacology
[{'content': 'Spironolactone is the first drug to be given for? \nSelect and explain. \nA. Cirrhotic edema, B. Cardiac edema, C. Idiopathic edema, D. Nutritional edema', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Cirrhotic edemaRef: Goodman llthed ch-28', 'role': 'assistant'}]