This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Anticholinesterases are ineffective against \nSelect and explain. \nA. Belladonna poisoning, B. Carbamate poisoning, C. Postoperative ileus, D. Cobra bite', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Refer katzung 11/e p 106,107 Anticholinergic drugs block the action of a neurotransmitter called acetylcholine. This inhibits nerve impulses responsible for involuntary muscle movements and various bodily functions. These drugs can treat a variety of conditions, from overactive bladder to chronic obstructive pulmonary disorder. These are ineffective against carbamate poisoning', 'role': 'assistant'}]