5H Cranial Nerves Type and Function

Question 1

(I) Olfactory
Type:
Function:

Answer 1

Sensory

Smell

Question 2

(II) Optic
Type:
Function:

Answer 2

Sensory

Vision

Question 3

(III) Oculomotor
Type:
Function:

Answer 3

Motor

Motor (Somatic)

Question 4

(III) Oculomotor Specific Basic Function: eye______ Levator _________ superioris, medial, _____,_______ rectus, inferior ______

Answer 4

muscles 
palpebrae
superior
inferior
oblique

Question 5

(IV) Trochlear
Type:
Function:

Answer 5

Motor 
Eye Muscle (superior oblique) pulls eyeball laterally and inferiorly

Question 6

(V) Trigeminal ((3 branches)
Type:
Function:

Answer 6

Mixed
Motor: Mastication(chewing) muscles like Temporalis Masseter
Sensory: Skin of face and scalp

Question 7

(VII) Facial
Type:
Function:

Answer 7

Mixed

Motor (somatic) Muscles of facial expression; buccinator, platysma, orbicularis oris and oculi, frontalis

Question 8

(XI) Accessory
Type
Function

Answer 8

Motor

Sternocleidomastoid and Trapezius Muscles

Question 9

(XII) Hypoglossal
Type
Function

Answer 9

Motor

Muscles of tongue