Cranial Nerves

Question 1

CN I

Answer 1

olfactory. smell. sensory.

Question 2

CN II

Answer 2

optic. vision. sensory.

Question 3

CN III

Answer 3

oculomotor. eyelid and eyeball movement. motor.

Question 4

CN IV

Answer 4

trochlear. innervates superior oblique turn eyes downward & laterally. motor.

Question 5

CN V

Answer 5

trigeminal. chewing, face & mouth, touch & pain. both motor & sensory.

Question 6

CN VI

Answer 6

abducens. turns eye laterally. motor

Question 7

CN VII

Answer 7

facial. controls most facial expressions secretion of tears & saliva taste. both motor and sensory. Bell’s Palsy

Question 8

CN VIII

Answer 8

acoustic. hearing, equilibrium sensation. sensory.

Question 9

CN IX

Answer 9

glossopharyngeal. taste, sense carotid blood pressure. both motor and sensory.

Question 10

CN X

Answer 10

vagus. senses aortic blood pressure, slows heart rate, stimulates digestive organs, taste. both motor and sensory.

Question 11

CN XI

Answer 11

spinal accessory. controls trapezius & sternocleidomastoid, controls swallowing movements. motor.

Question 12

CN XII

Answer 12

hypoglossal. controls tongue movements. motor.

Question 13

Eyes

Answer 13

CN II, III, IV, VI