Neuromuscular disorders · Physiology

Botulinum toxin causes neuromuscular paralysis by:

  1. Blocking acetylcholine receptors
  2. Inhibiting acetylcholine release
  3. Increasing acetylcholine breakdown
  4. Blocking sodium channels
Show answer and explanation

Correct answer: Inhibiting acetylcholine release

Botulinum toxin prevents the release of acetylcholine from presynaptic terminals. This leads to flaccid paralysis.

Difficulty: Medium Question 6 of 20

Practice all 20 Neuromuscular disorders questions

Keep practicing

More Neuromuscular disorders questions