<prompt> Atropine-mechanism of action in organophosphate poisoning-Reactivation of choline-esteraseActs on central and peripheral post.ganglionic receptorsActs on central and peripheral cholinergic receptorsActs on peripheral cholinergic receptors only  <response>: Ans. is c i.e., Acts on central and peripheral cholinergic receptors o In organophosphate poisoning, atropine counteracts the peripheral muscarinic symptoms and at higher doses central effects as well. o Atropine does not reverse nicotinic action i.e., peripheral muscular paralysis. 