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Sensory: Smell
Olfactory CN I
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Motor: Visual acuity, opthalmoscope exam (PERRLA is a nuero assessment)
Optic CN II
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Motor: Pupil constriction, elevation of upper eyelid, EOM, downward and medial gaze
Occulomotor CN III
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Motor: EOM, superior oblique muscle of the eye, movement down and lateral gaze
Trochlear CN IV
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Motor: voluntary muscles of mastication
Sensory: touch, pain: skin of face, mucous membranes of nose, sinuses, and mouth
Trigeminal CN V
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Motor: Lateral deviation of the eye
Abducens CN VI
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Motor: Muscles of the face (smile, frown)
Sensory: Taste (anterior 2/3 of tongue) sweet and sour
Facial CN VII
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Sensory: hearing, balance
Vestibularcochlear CN VIII
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Motor: pharynx - gag reflex (must do before feeding), uvula
Sensory: tongue - taste of posterior 1/3 of tongue
Glossopharyngeal CN IX
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Motor: pharynx, larynx (speech), autonomic control: bradycardia, hypotension
Sensory: most dangerous nerve to trigger, can't do anything to wake it back up, Triggers: bladder, recturm, carina of bronchus, top of esophagus
Vagus CN X
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Motor: sternocleidomastoid, trapezius (muscle strength of shoulder shrug)
Accessory CN XI
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Motor: tongue (deviation/protrusion)
Hypoglossal CN XII
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