Cranial Nerves

Question 1

CN I (1)

Answer 1

Olfactory
Sniff Test
close eyes and close one nostril, give/ask scent, repeat

Question 2

CN II

Answer 2

Optic
Snellen Eye Chart

Question 3

CN III (3)

Answer 3

Oculomotor
PERRLA

Question 4

CN IV (4)

Answer 4

Trochlear
6 Cardinal Gazes

Question 5

CN V (5)

Answer 5

Trigeminal
-Clench teeth and palpate jaw
-try to separate jaw against resistance
-close eyes, use cotton ball on forehead, cheeks, and chin. ask where they felt it

Question 6

CN VI (6)

Answer 6

Abducens
Cardinal gazes

Question 7

CN VII (7)

Answer 7

Facial
puff cheeks, smile, frown

Question 8

CN VIII (8)

Answer 8

Acoustic
Whisper test
-push in/out on tragus, whisper 3 words from behind ask them to repeat - do on both ears

Question 9

CN IX (9)

Answer 9

Glossopharyngeal
-use tongue depressor, say AH, look at uvula

Question 10

CN X (10)

Answer 10

Vagus
-not tested but would elicit gag reflex

Question 11

CN XI (11)

Answer 11

Spinal
-rotate head against resistance, shrug shoulders too

Question 12

CN XII (12)

Answer 12

Hypoglossal
light, tight, dynamite
-listen for L, T, D, N