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': 'Mechanism of action of oximes is \nSelect and explain. \nA. Inhibiting cholinergic receptors, B. Reactivating cholinesterase, C. Inhibiting cholinesterase, D. Reactivating cholinergic receptors', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Oximes are acetylcholinesterase reactivators which are used in OP poisoning, not in carbamate poisoning Ref: KDT 6th ed pg 105', 'role': 'assistant'}]