Sensory: Smell
Olfactory CN I
Motor: Visual acuity, opthalmoscope exam (PERRLA is a nuero assessment)
Optic CN II
Motor: Pupil constriction, elevation of upper eyelid, EOM, downward and medial gaze
Occulomotor CN III
Motor: EOM, superior oblique muscle of the eye, movement down and lateral gaze
Trochlear CN IV
Motor: voluntary muscles of masticationSensory: touch, pain: skin of face, mucous membranes of nose, sinuses, and mouth
Trigeminal CN V
Motor: Lateral deviation of the eye
Abducens CN VI
Motor: Muscles of the face (smile, frown)Sensory: Taste (anterior 2/3 of tongue) sweet and sour
Facial CN VII
Sensory: hearing, balance
Vestibularcochlear CN VIII
Motor: pharynx - gag reflex (must do before feeding), uvulaSensory: tongue - taste of posterior 1/3 of tongue
Glossopharyngeal CN IX
Motor: pharynx, larynx (speech), autonomic control: bradycardia, hypotensionSensory: 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
Motor: sternocleidomastoid, trapezius (muscle strength of shoulder shrug)
Accessory CN XI
Motor: tongue (deviation/protrusion)
Hypoglossal CN XII