Nervous System

Question 1

Cranial Nerve I
Name
S/M/B
Function

Answer 1

Olfactory
Sensory
Smell

Question 2

Cranial Nerve II
Name
S/M/B
Function

Answer 2

Optic
Sensory
Vision

Question 3

Cranial Nerve III
Name
S/M/B
Function

Answer 3

Oculomotor
Motor
Eye movement, Eyelid Opening, Pupillary Constriction, Lens Accommodation

Question 4

Cranial Nerve IV
Name
S/M/B
Function

Answer 4

Trochlear
Motor
Medial inferior eye movement (superior oblique muscle)

Question 5

Cranial Nerve V
Name
S/M/B
Function

Answer 5

Trigeminal
Both Sensory and Motor
Sensory = Facial sensation, somatosensory for anterior 2/3 of tongue
Motor = mastication

V1 = opthalmic
V2 = maxillary
V3 = mandibular

Question 6

Cranial Nerve VI
Name
S/M/B
Function

Answer 6

Abducens
Motor
Lateral eye movement (lateral rectus muscle)

Question 7

Cranial Nerve VII
Name
S/M/B
Function

Answer 7

Facial
Both sensory and motor
Sensory = taste to anterior 2/3 of tongue
Motor = facial expression, lacrimation, salivation

Question 8

Cranial Nerve VIII
Name
S/M/B
Function

Answer 8

Vestibulocochlear
Sensory
Hearing and balance

Question 9

Cranial Nerve IX
Name
S/M/B
Function

Answer 9

Glossopharyngeal
Both sensory and motor
Sensory = somatosensory & taste to posterior 1/3 of tongue
Motor = swallowing

Question 10

Cranial Nerve X
Name
S/M/B
Function

Answer 10

Vagus
Both sensory and motor
Sensory = taste to epiglottis
Motor = swallowing, coughing, talking

Question 11

Cranial Nerve XI
Name
S/M/B
Function

Answer 11

Accessory
Motor
Shoulder shrugging and turning head

Question 12

Cranial Nerve XII
Name
S/M/B
Function

Answer 12

Hypoglossal
Motor
Tongue movement