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': 'Beta blocker without local anaesthetic effect is ? \nSelect and explain. \nA. Metoprolol, B. Pindolol, C. Atenolol, D. All', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Atenolol b-blockers with membrane stabilizing (Local anaesthetic action o Pindolol o Acebutolol o Carvedilol o Betaxolol o Propranolol o Metoprolol o Labetalol", 'role': 'assistant'}]