Cranial Nerves

Question 1

I

Answer 1

olfactory- smell

identify substance by scent

Question 2

II

Answer 2

optic- vision

snellen- eye chart

Question 3

III

Answer 3

oculomotor- moving parts of eye and eyelid

following moving target with eyes only

Question 4

IV

Answer 4

trochlear- moves superior oblique eye muscle

following moving target with eyes only

Question 5

V

Answer 5

trigeminal- muscles of mastication

open and close jaw, clench teeth

Question 6

VI

Answer 6

abducens- lateral rectus eye muscle

follow moving target with eyes only

Question 7

VII

Answer 7

facial- controls facial muscles; taste from part of tongue

smile, frown, raise eyebrows, and puff cheeks

Question 8

VIII

Answer 8

vestibulocochlear- hearing; equilibrium

eyes close with arms at sides for several seconds

Question 9

IX

Answer 9

glossopharyngeal- tongue; increases secretion from parotid salivary gland

swallow and say ahh, touch back of throat with tongue depressor

Question 10

X

Answer 10

vagus- head and neck

swallow and say ahh, touch back of throat with tongue depressor

Question 11

XI

Answer 11

accessory- trapezius and sternocleidomastoid

elevate and depress shoulders, turn head right and left

Question 12

XII

Answer 12

hypoglossal- intrinsic and extrinsic tongue muscle

stick out tongue