5H Cranial Nerves Assessment

Question 1

(I) Olfactory
Function Tested
Test

Answer 1

Smell

Identify odors applied to each nostril

Question 2

(II) Optic
Function Tested
Test

Answer 2

Visual Acuity

Identify number of fingers held up in visual field

Question 3

(III) Oculomotor
Function Tested
Test

Answer 3

Eye Movements

Follow finger with no head movement

Question 4

What movments will be affected if someone has damaged CN III (Oculomotor)

Answer 4

?

Question 5

(IV) Trochlear
Function Tested
Test

Answer 5

Eye movements

Follow finger with no head movement

Question 6

What movements will be affected if someone has damaged CN IV?

Answer 6

?

Question 7

(V) Trigeminal
Function Tested
Test

Answer 7

Facial Sensation “chewing muscle strength”
Identify sharp vs dull on face (using paperclip)
Clench teeth - Practitioner Palpate temporal and masseter muscles

Question 8

(VI) Abducens
Function Tested
Test

Answer 8

Eye movements

Follow finger with no head movement

Question 9

What movements will be affected if someone has damaged CN IV (Abducens)

Answer 9

?

Question 10

(VII) Facial
Function Tested
Test

Answer 10

“Facial Expression” Muscle Strength

Have person smile (orbicularis oris) wrinkle forehead (frontalis) close eyes tightly

Question 11

(XI) Accessory
Function Tested
Test

Answer 11

Strength of trapezius, Sternocleidomastoid

Resist trapezius and Sternocleidomastoid

Question 12

(XII) Hypoglossal
Function Tested
Test

Answer 12

Tongue Movement

Have a person sick out tongue (Deviation will be to affected side)