Cranial nerve functions

Question 1

I

Answer 1

Olfactory
Smell
olfactory foramina

Question 2

II

Answer 2

Optic
Vision
Optic canal

Question 3

III

Answer 3

Oculomotor
Moves eye, parasympathetic to the pupil (constrict)
Superior orbital fissure

Question 4

IV

Answer 4

Trochlear
Moving eye
Superior orbital fissure

Question 5

V

Answer 5

Trigeminal
V1- Sensation to nasal and up, superior orbital fissure
V2- Sensation to nasal cavity to upper jaw, foramen rotunda
V3- Sensation to jaw, anterior 2/3 of tongue, TMJ

Question 6

VI

Answer 6

Abducent
Turns eye laterally
Superior orbital fissure

Question 7

VII

Answer 7

Facial
Facial expression, stapedius, taste, sensation of external meatus, parasympathetic to glands of face.
Internal acoustic meatus

Question 8

VIII

Answer 8

Vestibulocochlear
Hearing, vestibular sensation
Internal acoustic meatus

Question 9

IX

Answer 9

Glossopharyngeal

Swallowing, parotid parasympathetic, taste in posterior tongue, sensation to external ear

Question 10

X

Answer 10

Vagus nerve
Motor to esophagus, parasympathetic to trunk, taste in epiglottis and palate
Jugular foramen

Question 11

XI

Answer 11

Spinal accessory
Motor to sternocleidomastoids, trapezius
enters cranial via foramen magnum, leaves via jugular foramen

Question 12

XII

Answer 12

Hypoglossal
Motor of the tongue
Hypoglossal canal