Cranial Nerves Function

Question 1

Olfactory

Answer 1

sense of smell

Question 2

Optic

Answer 2

vision

Question 3

Oculomotor

Answer 3

innervates four of the extrinsic eye muscles

Question 4

Trochlear

Answer 4

innervates the superior oblique muscle (an extrinsic eye muscle)

Question 5

Trigeminal

Answer 5

Innervates the muscles of chewing and sensory nerve of the face

Question 6

Abducens

Answer 6

abducts the eye (innervates lateral rectus muscle)

Question 7

Facial

Answer 7

sensory- taste buds on the anterior 2/3
of the tongue

motor - innervate facial muscles
- innveration of lacrimal glands,
submandibular and sublingual
salivary glands

Question 8

Vestibulocochlear

Answer 8

hearing and equilibrium

Question 9

Glossopharyngeal

Answer 9

sensory - taste buds on posterior 1/3 of
tongue

motor - elevate pharynx during
swallowing
- innervate the parotid salivary
gland

Question 10

Vargus

Answer 10

sensory - thoracic and abdominal viscera
- taste buds on epiglottis

motor - skeletal functions of the pharynx
and larynx
- parasympathetic innervation to
heart, lungs, abdominal viscera

Question 11

Accessory

Answer 11

innervates trapezius and sternocleidomastoid

Question 12

Hypoglossal

Answer 12

innervates the tongue muscle