The cranial nerve with a cervical origin (spinal cord)is the ________.
A) hypoglossal
B) vagus
C) glossopharyngeal
D) accessory

Question

Quizplus · Accepted Answer

The accessory nerve (CN XI) has both a cranial and spinal component. The spinal component arises from the upper cervical spinal cord and joins the cranial component to innervate the trapezius and sternocleidomastoid muscles. The other options (hypoglossal, vagus, and glossopharyngeal) all have purely cranial origins.

The Cranial Nerve with a Cervical Origin (Spinal Cord)is the ________