Cranial Nerves 6-12

Question 1

What is the classification and function of the Facial CN VII?

Answer 1

BOTH sensory and motor:

sensory - taste on anterior 2/3 of the tongue

motor - facial expression, saliva product and tear production

Question 2

What is the classification and function of the Vestibulocochlear CN VIII?

Answer 2

Sensory; Hearing and Equllibrium

Question 3

What is the classification and function of the Glossopharyngeal CN IX?

Answer 3

BOTH sensory and motor:

sensory- posterior 1/3 of the tongue

motor- swallowing, speech, and saliva production

Question 4

What is the classification and function of the Vagus CN X?

Answer 4

BOTH;
sensory - general senses from the pharynx and epiglottis

motor - swallowing, coughing, speech, gastrointestinal (GI) peristalsis, and secretion of GI glands

Question 5

What is the classification and function of the Accessory CN XI?

Answer 5

Motor; movement of the head via the trapezius and sternocleidomastoid

Question 6

What is the classification and function of the Hypoglossal XII

Answer 6

Motor; Swallowing and speech muscles, name means “under the tongue”