1. CRANIAL NERVES Health Assessment NUR 211 Medical ppt

2. Anatomy and Physiology
Central Nervous System
Brain, spinal cord, motor and sensory pathways
Peripheral Nervous System
Spinal nerves, cranial nerves, autonomic nervous system

3. Focused Health Assessment
Present Health/Illness Status
numbness, difficulty with speech, vision, hearing, medications, changes in behavior, lifestyle
Family History
headaches, mental illness, depression

4. Continued: Past Health History seizures, headaches head injury
surgeries
stroke

5. Equipment Needed: Cotton ball, safety pin, snellen chart Tongue blade
Tuning fork
Reflex hammer
pen light
pencil and paper
sweet/sour substances
Familiar aromatic substance (coffee, vanilla)

7. CN I: Olfactory Sensory: smell
Apply simple odors to one nostril at a time
Do not test unless history indicates

8. CN II: Optic Sensory: vision Snellen Visual fields (confrontation)
Ophthalmoscopic examination

9. CN III: Oculomotor Motor: upward, downward, medial eye movement
Corneal Light reflex
Cover test
EOM: 6 cardinal positions
Observe lids

10. CN IV: Trochlear Motor: downward, medial eye movement EOM
Same as CN III
Pupillary light reflex
Accommodation

11. CN V: Trigeminal Sensory: face, scalp Motor:
Tactile and pain sensation on entire face

12. CN VI: Abducens
Motor: lateral eye movement
EOM
Same as CN III

13. CN VII: Facial Sensory: Taste to anterior 2/3 of tongue Motor:
Ability to frown
Smile, show teeth
Puff out checks
whistle, close eyes

14. CN VIII: Acoustic Sensory: Hearing acuity
Rinne test: on mastoid process
Weber test: on center of forehead
Otoscopic examination
Rhomberg test

15. CN IX: Glossopharyngeal
Sensory:
Taste
Motor:
Able to swallow
Gag reflex

16. CN X: Vagus Sensory Motor listen to person talk (hoarseness)
ask person to say “ah” (soft palate contract and uvula stays midline)

17. CN XI: Spinal Accessary
Motor:
Turn head side to side
shrug shoulders with resistance

18. CN XII: Hypoglossal Motor: protrude tongue
move tongue from side to side with resistance
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