Cranial Nerves

Question 1

Name of CN I

Answer 1

Olfactory Nerve

Question 2

Name of CN II

Answer 2

Optic Nerve

Question 3

Name of CN III

Answer 3

Oculomotor Nerve

Question 4

Name of CN IV

Answer 4

Trochlear Nerve

Question 5

Name of CN V

Answer 5

Trigeminal Nerve

Question 6

Name of CN VI

Answer 6

Abducens Nerve

Question 7

Name of CN VII

Answer 7

Facial Nerve

Question 8

Name of CN VIII

Answer 8

Vestibulocochlear Nerve

Question 9

Name of CN IX

Answer 9

Glossopharyngeal Nerve

Question 10

Name of CN X

Answer 10

Vagus Nerve

Question 11

Name of CN XI

Answer 11

Accessory Nerve

Question 12

Name of CN XII

Answer 12

Hypoglossal Nerve

Question 13

Function of CN I (Olfactory Nerve)

Answer 13

Olfaction

Question 14

Function of CN II (Optic Nerve)

Answer 14

Vision, and pupillary light reflex

Question 15

Function of CN III (Oculomotor nerve)

Answer 15

Movement of Eyeball, and elevation of upper eyelid, Parasympathetic to smooth muscle in eye

Question 16

Function of CN IV (Trochlear Nerve)

Answer 16

Movement of the Eye

Question 17

Function of CN V ( Trigeminal Nerve)

Answer 17

General sensation of Mouth, has divisions for Ophthalmic, Maxillary and Mandibular regions for face.
Also motor of Opening and closing of mouth

Question 18

Function of CN VI (Abducens Nerve)

Answer 18

Movement of Eyeball

Question 19

Function of CN VII (Facial Nerve)

Answer 19

Provide taste sensation, Facial movement, and parasympathetic for salivation and lacrimation

Question 20

Function of the CN VIII (Vestibulocochlear Nerve)

Answer 20

Provides sense of hearing and balance, and positioning and moving of head

Question 21

Function of CN IX (Glossopharyngeal Nerve)

Answer 21

Sensory of posterior part of tongue, eustachian tube, pharynx - Taste
Motor of Stylopharyngeus muscle - for swallowing.
Parasympathetic of Parotid gland for Salivation

Question 22

Function of the CN X (Vagus Nerve)

Answer 22

General sensation in Pharynx, Larynx, and Oesphagus.
Motor of soft palate, Pharynx and Larynx and upper oesophagus for speech and swallowing.
Parasympathetic innervation of Cardiac muscle, and inveration of smooth muscle and glands of Cardiovascular system, and Respiratory and GI tract.

Question 23

Function of the CN XI (Accessory Nerve)

Answer 23

Motor of the Head and shoulder movement

Question 24

Function of the CN XII (Hypoglossal Nerve)

Answer 24

Movement of Tongue