Parasympathomimetics · Pharmacology

Which parasympathomimetic drug is resistant to acetylcholinesterase breakdown?

  1. Bethanechol
  2. Acetylcholine
  3. Neostigmine
  4. Physostigmine
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Correct answer: Bethanechol

Bethanechol is resistant to hydrolysis by acetylcholinesterase. This allows it to have a longer duration of muscarinic action in the body.

Difficulty: Medium Question 18 of 20

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