Atropine is used in organophosphate poisoning because of its: (A) Reactivate acetylcholinesterase, (B) Compete with acetylcholine release, (C) Binds with both nicotinic and muscarinic acetylcholine receptors, (D) It is competitive antagonist of acetylcholine
Answer is D. Refer kDT 6/e p 106 atropine acts as antagonist in muscarinic receptors. It has no activity on nicotinic receptors and do not interfere with the release of acetylcholine