Cranial Nerves

Question 1

Name of CN I

Answer 1

Olfactory

Question 2

Name of CN II

Answer 2

Optic

Question 3

Name of CN III

Answer 3

Oculomotor

Question 4

Name of CN IV

Answer 4

Trochlear

Question 5

Name of CN V

Answer 5

Trigeminal

Question 6

Name of CN VI

Answer 6

Abducent

Question 7

Name of CN VII

Answer 7

Facial

Question 8

Name of CN VIII

Answer 8

Vestibulocochlear

Question 9

Name of CN IX

Answer 9

Glossopharyngeal

Question 10

Name of CN X

Answer 10

Vagus

Question 11

Name of CN XI

Answer 11

Accessory

Question 12

Name of CN XII

Answer 12

Hypoglossal

Question 13

Function of CN I

Answer 13

Sensory

Question 14

Function of CN II

Answer 14

Sensory

Question 15

Function of CN III

Answer 15

Motor

Question 16

Function of CN IV

Answer 16

Motor

Question 17

Function of CN V

Answer 17

Both

Question 18

Function of CN VI

Answer 18

Motor

Question 19

Function of CN VII

Answer 19

Both

Question 20

Function of CN VIII

Answer 20

Sensory

Question 21

Function of CN IX

Answer 21

Both

Question 22

Function of CN X

Answer 22

Both

Question 23

Function of XI

Answer 23

Motor

Question 24

Function of XII

Answer 24

Motor

Question 25

Innervation of CN I

Answer 25

Smell from nasal cavity

Question 26

Innervation of CN II

Answer 26

Vision from retina

Question 27

Innervation of CN III

Answer 27

Most eye movements, including iris

Question 28

Innervation of CN IV

Answer 28

Depresses, abducts, and intorts the eyeball

Question 29

Innervation of CN V

Answer 29

Sensation of face, movement of muscles of mastication

Question 30

Innervation of CN VI

Answer 30

Abducts the eyeball

Question 31

Innervation of CN VII

Answer 31

Mostly facial expression, taste from anterior 2/3rds of tongue and salivary glands (but not parotid)

Question 32

Innervation of CN VIII

Answer 32

Hearing and balance from the ears

Question 33

Innervation of CN IX

Answer 33

Taste from posterior 1/3rd of tongue, innervates stylopharyngeus muscle, sensation of tonsils and is involved in gag reflex with CN X

Question 34

Innervation of CN X

Answer 34

Innervation of most laryngeal and pharyngeal muscles, parasympathetics to thoracic and abdominal viscera to splenic flexure, taste from epiglottis, involved in voice and is involved in gag reflex with CN IX

Question 35

Innervation of CN XI

Answer 35

Innervates motor sternocleidomastoid and trapezius muscles

Question 36

Innervation of CN XII

Answer 36

Motor innervation of the tongue (but not palatoglossal muscle) and is important for swallowing and speech articulation.