Preganglionic fibers of parasympathetic neurons are present in all of the following cranial nerves except
A) III.
B) VII.
C) IX.
D) X.
E) XII.

Question

Quizplus · Accepted Answer

Preganglionic fibers of parasympathetic neurons are present in cranial nerves III (oculomotor), VII (facial), IX (glossopharyngeal), and X (vagus), but not in XII (hypoglossal). The hypoglossal nerve controls the muscles of the tongue and has no connection to the autonomic nervous system.

Preganglionic Fibers of Parasympathetic Neurons Are Present in All of the Following