Question

the vagus is the longest of the ______ nerves.

○ cranial
○ accessory
○ occipital
○ spinal

Explanation:

The vagus nerve (cranial nerve X) is the longest among the cranial nerves. Cranial nerves originate from the brain, and the vagus nerve has extensive innervation throughout the body. Accessory, occipital, and spinal nerves do not fit: accessory is a cranial nerve but not the longest, occipital is related to the occipital region (not a main nerve group for this), and spinal nerves are a different set from cranial nerves.

Answer:

A. cranial