Cranial Nerves

Question 1

Cranial nerve I

Answer 1

Olfactory
(carries impulses for the sense of SMELL)

Question 2

Cranial nerve II

Answer 2

Optic
(carries impulses for the sense of SIGHT)

Question 3

Cranial nerve III

Answer 3

Occulomotor
(responsible for motor movement of the upper eyelid, extraocular muscles, and the pupillary muscle)

Question 4

Cranial nerve IV

Answer 4

Trochlear
(controls the extraocular muscles)

Question 5

Cranial nerve V

Answer 5

Trigeminal
(responsible for sensory innervation of the face and motor innervation for the muscles involved with chewing)

Question 6

Cranial nerve VI

Answer 6

Abducent
(innervates a muscle that ABDUCTS the eyeball)

Question 7

Cranial nerve VII

Answer 7

Facial
(innervates the muscles of the face, assisting with expression)

Question 8

Cranial nerve VIII

Answer 8

Vestibulocochlear
(responsible for the sense of HEARING and BALANCE)

Question 9

Cranial nerve IX

Answer 9

Glossopharyngeal
(innervates the muscles involved with swallowing and taste)

Question 10

Cranial nerve X

Answer 10

Vagus
(innervates the GI tract, heart, and larynx)

Question 11

Cranial nerve XI

Answer 11

Accessory
(innervates the sternocleidomastoid and trapezius muscles)

Question 12

Cranial nerve XII

Answer 12

Hypoglossal
(innervates the muscles of the tongue)