Cranial Nerves

Question 1

Cranial Nerve I Name and Function?

Answer 1

Olfactory / sense of smell

Question 2

Cranial Nerve II Name and Function?

Answer 2

Optic / Sense of sight

Question 3

Cranial Nerve III Name and Function?

Answer 3

Oculomotor / innervate eye muscles

SR, IR, MR, IO

Involuntary: constricts pupil and accommodation(adjust the lens)

Question 4

Cranial Nerve IV Name and Function?

Answer 4

Trochlear / innervate superior oblique

Question 5

Cranial Nerve V Name and Function?

Answer 5

Trigeminal /
Ophthalmic(V1) - sensory to upper face
Maxillary (V2) - sensory to mid face
Manibular (V3) - mixed
sensory to lower face(anterior tongue)
motor to muscles of mastication

Question 6

Cranial Nerve VI Name and Function?

Answer 6

Abducens / innervates lateral rectus

Question 7

Cranial Nerve VII Name and Function?

Answer 7

Facial /
muscles of facial expression
secretomotor to all glands of the head except parotid
Taste to anterior 2/3 tongue

Question 8

Cranial Nerve VIII Name and Function?

Answer 8

Vestibulocochlear / hearing and balance

Question 9

Cranial Nerve IX Name and Function?

Answer 9

Glossopharyngeal /
sensory to throat
Carotid receptors
taste and general sensation to posterior 1/3 of tongue

Question 10

Cranial Nerve X Name and Function?

Answer 10

Vagus
Motor to pharynx and larynx
sensory from larynx
innervates many of thoracic and abdominal organs

Question 11

Cranial Nerve XI Name and Function?

Answer 11

Accessory / innervate muscles that rotate the head

Question 12

Cranial Nerve XII Name and Function?

Answer 12

Hypoglossal / innervates tongue muscles