Term
| Cranial Nerve I - Olfactory |
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Definition
-Check each nasal passageway
-Present a nonirritating odor
-Ask patient to occlude one nostril and test smell
-Repeat with other nostril |
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Term
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Definition
Visual acuity
-optic fundi
-test visual fields by confrontation |
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Term
| Cranial Nerve II & III - Optic and Oculomotor |
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Definition
-Inspect size and shape of pupils/compare each side
-test pupillary reactions to light
-Check near response (pupillary constriction, convergence and accommodation |
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Term
| Cranial Nerves III, IV and VI - Oculomotor, trochlear, abducens |
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Definition
-Test extraocular movements
-look for loss of conjugate movement
-Check convergence
-Check for nystagmus
-Check for ptosis |
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Term
| Cranial Nerve V - Trigeminal (motor) |
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Definition
-Palpate temporal and masseter muscles
-Ask patient to clench teeth
-Note muscle contraction strength
-Ask patient to move jaw side to side |
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Term
| Cranial Nerve V - Trigeminal (sensory) |
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Definition
-Pain sensation: Forehead, cheeks, jaw
-Test both sharp and dull
-Test any abnormality with a temperature sensation
-Test for light touch with wisp of cotton |
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Term
| Cranial Nerve V - Trigeminal (corneal reflex) |
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Definition
-ask patient to look up and away from you
-approach from other side of patient, out of view
-touch the cornea with a fine wisp of cotton
-look for blinking eyes |
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Term
| Cranial Nerve VII - Facial |
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Definition
-Note any asymmetry during conversation and resting
-Tics or abnormal movements
-raise both eyebrows
-frown
-close both eyes tightly (test muscular strength by trying to open them)
-show upper and lower teeth
-smile
-puff out both cheeks |
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Term
| Cranial Nerve VIII - Acoustic |
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Definition
-whispered voice test
-conductive or sensorineural
-test for air and bone conduction - Rinne test
-lateralization - Weber test |
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Term
| Cranial Nerves IX and X - Glossopharyngeal and Vagus |
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Definition
-Listen for hoarseness or nasal qualities in voice
-Difficulty swallowing
-Ask patient to say "ah"
-watch movements of the soft palate and pharynx
-Test gag reflex |
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Term
| Cranial Nerve XI - Spinal Accessory |
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Definition
-From behing look for atrophy in trapezius muscles
-Compare one side to the other
-Ask patient to shrug shoulders/note strength
-Ask patient to turn head on each side against hand |
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Term
| Cranial Nerve XII - Hypoglossal |
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Definition
-Listen to articulation of patients words
-Inspect resting tongue
-Look for atrophy and fasciculations
-Have patient stick out tongue and observe asymmetry, atrophy, or deviation from midline
-Have patient move tongue side to side/note symmetry of movement
-Have patient push against inside of each cheek and palpate externally for strength |
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