Multiple choice

Preganglionic sympathetic fibres are

  1. adrenergic

  2. cholinergic

  3. Both (1) and (2)

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Preganglionic sympathetic fibers release acetylcholine at their synapses with postganglionic neurons, making them cholinergic. This is true for all autonomic preganglionic fibers regardless of whether they are sympathetic or parasympathetic.

Keep practicing — related questions