Cranial Nerves

  1. Sensory: Smell
    Olfactory CN I
  2. Motor: Visual acuity, opthalmoscope exam (PERRLA is a nuero assessment)
    Optic CN II
  3. Motor: Pupil constriction, elevation of upper eyelid, EOM, downward and medial gaze
    Occulomotor CN III
  4. Motor: EOM, superior oblique muscle of the eye, movement down and lateral gaze
    Trochlear CN IV
  5. Motor: voluntary muscles of mastication
    Sensory: touch, pain: skin of face, mucous membranes of nose, sinuses, and mouth
    Trigeminal CN V
  6. Motor: Lateral deviation of the eye
    Abducens CN VI
  7. Motor: Muscles of the face (smile, frown)
    Sensory: Taste (anterior 2/3 of tongue) sweet and sour
    Facial CN VII
  8. Sensory: hearing, balance
    Vestibularcochlear CN VIII
  9. Motor: pharynx - gag reflex (must do before feeding), uvula
    Sensory: tongue - taste of posterior 1/3 of tongue
    Glossopharyngeal CN IX
  10. 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
  11. Motor: sternocleidomastoid, trapezius (muscle strength of shoulder shrug)
    Accessory CN XI
  12. Motor: tongue (deviation/protrusion)
    Hypoglossal CN XII
Card Set
Cranial Nerves
cranial nerve review