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': 'Acetylcholinesterase inhibitors are not used in \nSelect and explain. \nA. Anticholinergic poisoning, B. Carbamate poisoning, C. Cobra bite, D. Glaucoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Carbamate and OP compounds are acetylcholinesterases. Oximes are used in op poisioning where as in carbamates poisioning oximes are not effective. Ref: KDT 6th ed pg 105', 'role': 'assistant'}]