Question

Which of the following is a sensory nerve ?
a. Vagus
b. Auditory
c. Facial
d. Lumbar

Answer 1

Answer:

b. Auditory

Explanation:

Cranial nerves constitute the PNS (peripheral nervous system). PNS develops from the brain. There are total 12 pairs of cranial nerves which are written in Roman letters, I to XII. They are three types such as sensory, motor and mixed. All the nerves innervate head, neck, and face except the vagus nerves. The total cranial nerves are as follow:  

Facial = mixed nerve

Auditory = sensory nerve

Vagus = mixed nerve

Lumbar is not a nerve.

Answer 2

Answer:

Vagus nerve

Explanation:

It is a cranial nerve which connects brain to the body. The most important characteristic of this nerve is that it is a part of the circuit which connects neck, heart, lungs and abdomen to the brain. It contributes to the automatic nervous system which involves parasympathetic and sympathetic parts. It has special sensory roles means that it helps providing movement functions to the muscles of neck responsible for swallowing and speech.