What Pair of Cranial Nerves Extends to the Thoracic and Abdominal

Question

What pair of cranial nerves extends to the thoracic and abdominal cavities?
A) glossopharyngeal
B) oculomotor
C) vestibulocochlear
D) vagus

Accepted Answer

The vagus nerve (CN X) is the only cranial nerve that has branches that extend to the thoracic and abdominal cavities. It is involved in many important functions including controlling the heart rate, digestive system, and respiratory system.