Which drug is most appropriate for treating acute muscarinic signs caused by organophosphate toxicity?
Correct answer: C. Atropine
- A. Neostigmine
- B. Pilocarpine
- C. Atropine
- D. Bethanechol
Explanation
Atropine blocks excessive stimulation of muscarinic receptors and is the main treatment for salivation, bronchoconstriction and bradycardia. The other listed drugs increase or mimic cholinergic activity and may worsen poisoning.
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Covers how drugs act in animals, including pharmacokinetics, pharmacodynamics, routes of administration, dosage forms, adverse effects and drug interactions. Major groups include antimicrobials, antiparasitics, analgesics, anaesthetics, anti-inflammatory drugs, hormones and cardiovascular medicines, with attention to withdrawal periods and species differences.
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