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
Anticholinesterases are ineffective against 
Select and explain. 
A. Belladonna poisoning, B. Carbamate poisoning, C. Postoperative ileus, D. Cobra bite
B: Carbamate poisoning
Answer: B: Carbamate poisoning 
Explanation: 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