Cranial Nerves

Question 1

Olfactory

Answer 1

Sensory nerve for sense of smell

Question 2

Optic nerve

Answer 2

Sensory nerve for vision

Question 3

Oculomotor nerve

Answer 3

Motor nerve for movement of the eye ball, regulating the size of the pupil

Question 4

Trochlear nerve

Answer 4

Motor nerve for eyeball movements

Question 5

Trigemeninal nerve

Answer 5

Sensory for sensation of head face, muscle sense.
Motor for mastication.
Divided into 3 branches- ophthalmic, maxillary and mandibular

Question 6

Abducens

Answer 6

Motor for movement of the eyeball, particularly abduction

Question 7

Facial

Answer 7

Sensory for taste.
Motor for facial expressions and secretions of saliva.

Question 8

Vestibulocochlear

Answer 8

Sensory for balance and hearing
Divided into 2 branches, vestibular for balance and cochlear for hearing.

Question 9

Glossopharyngeal

Answer 9

Sensory for taste
Motor for swallowing and secretion of saliva

Question 10

Vagus

Answer 10

Sensory for sensation of organs supplied
Motor for movement of organs supplied
Supplies the head, pharynx, bronchus, esophagus, liver and stomach.

Question 11

Accessory

Answer 11

Motor for movement of shoulders, turning of head and voice production.

Question 12

Hypoglossal

Answer 12

Motor for tongue movements