<prompt> Anticholinesterases are ineffective againstBelladonna poisoningCarbamate poisoningPostoperative ileusCobra bite  <response>: Refer katzung 11e 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 