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: Pharmacology
[{'content': 'An increase in hea rate and renin release seen in patients of CHF can be overcome by which of the following drugs - \nSelect and explain. \nA. Minoxidil, B. Metoprolol, C. Metolazone, D. Milrinone', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Metoprolol o Beta-blocker (metoprolol) prevent reflex tachycardia as well as renin release.", 'role': 'assistant'}]