Parasympatholytics · Pharmacology

Which pharmacological action best describes parasympatholytic drugs?

  1. Stimulation of cholinergic receptors
  2. Enhancement of acetylcholine release
  3. Competitive blockade of muscarinic receptors
  4. Irreversible inhibition of acetylcholinesterase
Show answer and explanation

Correct answer: Competitive blockade of muscarinic receptors

Parasympatholytic drugs act as competitive antagonists at muscarinic receptors. This prevents acetylcholine from binding and reduces parasympathetic activity.

Difficulty: Medium Question 20 of 20

Practice all 20 Parasympatholytics questions

Keep practicing

More Parasympatholytics questions