The Vagus Nerve _______

Question

The vagus nerve _______.
A) is cranial nerve VIII
B) innervates muscles of the tongue
C) innervates certain eyeball muscles
D) sends branches to the heart, stomach, and small intestine

Accepted Answer

The vagus nerve sends branches to the heart, stomach, and small intestine as part of its parasympathetic innervation. It is cranial nerve X, not VIII or any other number. It does not innervate muscles of the tongue or certain eyeball muscles.