Over 90% of all preganglionic parasympathetic fibers are in cranial nerve
A) III.
B) V.
C) VII.
D) X.

Question

Quizplus · Accepted Answer

The preganglionic parasympathetic fibers are primarily carried by the vagus (tenth cranial) nerve, which innervates organs in the thorax and abdomen. The other cranial nerves mentioned (III, V, and VII) do have some parasympathetic components, but they primarily innervate muscles of the face and eye movements.

Over 90% of All Preganglionic Parasympathetic Fibers Are in Cranial