Assessment Steps - Cranial Nerves

Question 1

I

Answer 1

Olfactory- test with something that smells

Question 2

II

Answer 2

Optic nerve - Test with confrontation test

Inspect ocular funds (color, size shape)

Question 3

III, IV, VI

Answer 3

Oculomotor, Trochlear and Abducens
Direct and indirect consensual light and accommidaton
cardinal positions of gaze
presence of nystagmus?
pendular movement?
Amplitude
Frequency?
Plane of movement

Question 4

V

Answer 4

Trigeminal
Motor - Palpate temporal/masseter muscles as the person clenches teeth
sensory - light touch with cotton 1. ophthalmic, 2. maxillary, 3. mandibular
Normal - no pain, symmetric, full sensation

Question 5

VII

Answer 5

Facial nerve
Motor - have the person smile, frown, close eyes and puff cheeks.
note mobility and symmetry

Question 6

VIII

Answer 6

Acoustic

whispered voice test

Question 7

IX and X

Answer 7

Glossopharyngeal and Vagus
depress tongue
gag reflex
normal: symmetrical

Question 8

XI

Answer 8

Spinal Accessory Nerve
rotate head against resistance
shrug against resistance
Normal: full strength, no atrophy strength equal bilateraly

Question 9

XII

Answer 9

Hypoglossal Nerve
inspect tongue
no tremors or wasting