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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