This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
[{'content': 'True statement about Esmolol is/are: \nSelect and explain. \nA. It is an alpha blocker, B. It has a long half life, C. It is not cardioselective, D. It is used in LV decompensation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref: KD Tripathi pharmacology 7th edition (page.no: 148) esmolol is a selective beta1 blocker. so it is a cardioselective It is an ultrasho-acting beta 1 blocker Uses are LV decompensation, Supraventricular tachycardia, Atrial fibrillation or flutter', 'role': 'assistant'}]