This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Local anaesthetic agent which has antimuscarinic action on hea muscle receptors is \nSelect and explain. \nA. Procaine, B. Cocaine, C. Chloroprocaine, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Cocaine is a sympathomimetic (and thus antimuscarinic) local anaesthetic and thus adrenaline should not be added to it.', 'role': 'assistant'}]