Cranial Nerves
SE: Sensory
M: Motor
B: Both
OH OH OH To Touch And Feel Very Good Velvet Ah Heaven
CNI: Olfactory SE
Function: Smell
Test: Ask pt to close eye smell
CNII: Optic SE
Function: Vision
Test: Snellen Chart
CNIII: Oculomotor M
Function: Eye movement, raise eyelid
Test: 6 cardinal fields of gaze CN IV: Trochlear M
Function: Downward & inward eye
movement
Test: 6 cardinal fields of gaze
CN V: Trigeminal B
Function: Facial sensation & chewing
Test: Ask pt to close eyes, touch pt face
have pt say to you which part of face
you’re touching. Ask pt to bite down
CN VI: Abducens M
Function: Lateral eye movement
Test: 6 cardinal fields of gaze CN VII: Facial B
Function: Facial expressions
Test: Ask pt to smile, frown, puff
CN VIII: Vestibulocochlear SE
Function: Hearing & Balance
Test: Whisper test. Stand behind pt,
whisper a word have pt repeat it back
(both ears)
CN IX: Glossopharyngeal B
Function: Gag reflex & Swallowing
Test: Tongue depressor CN X: Vagus B
Function: Gag reflex & sensation of
pharynx/larynx
Test: Tongue depressor
CN XI: Accessory M
Function: Shoulder & neck movement
Test: Ask pt to shrug shoulders. Ask pt
to shake head “yes”/ “no”
CN XII: Hypoglossal M
Function: Tongue movement
Test: Ask pt to stick out their tongue
Health Assessment Cranial Nerves Cheat Sheet
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