Pharmacology Autonomic nervous system 2191bbf2

Atropine is useful in organophosphate poisoning because it

Reactivates Acetylcholineesterase

Competes with acetyl chloline release

Binds with both nicotinic and muscarinic acetylcholine receptors

Is a competitive antagonist of acetylcholine

High-Yield Explanation

Atropine acts as an antagonist at muscarinic receptors. It has no activity on nicotinic receptor and do not interfere with the release of ACh Ref-KDT 6/e p106

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