Parasympatholytics · Pharmacology

Which parasympatholytic drug is used as an antidote in organophosphate poisoning?

  1. Diazepam
  2. Bethanechol
  3. Physostigmine
  4. Atropine
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Correct answer: Atropine

Organophosphate poisoning causes excessive cholinergic activity. Atropine blocks muscarinic receptors, reducing the harmful parasympathetic effects.

Difficulty: Medium Question 12 of 20

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