Cranial Nerves

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Author:
mmigue02
ID:
61598
Filename:
Cranial Nerves
Updated:
2011-01-24 07:06:23
Tags:
Cranial Nerve Assessment
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Description:
Cranial Nerve Assessment
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  1. Cranial Nerve 1
    • Olfactory
    • With eyes closed - identify different smells.
    • Repeat on other nostril
  2. Cranial Nerve 2
    • Optic
    • Snellen eye chart
    • Visual field
    • Opthalmascopic examination
  3. Cranial Nerve 3
    • Oculomotor
    • Oculor rotations
    • Conjugate movements
    • Nystagmus
  4. Cranial Nerve 4
    • Trochlear
    • Oculor rotations
    • Conjugate movements
    • Nystagmus
  5. Cranial Nerve 5
    • Trigeminal
    • Have patient close eyes.
    • Touch cotton to forehead, cheeks, and jaw.
    • Repeat with sharp and dull ends of a tongue blade.
    • Have patient say "sharp or dull"
    • If incorrect - repeat with cold and warm test tubes - alternatively.
  6. Cranial Nerve 6
    • Abducens
    • Oculor rotations
    • Conjugate movements
    • Nystagmus
  7. Cranial Nerve 7
    • Facial
    • Observe for symmetry while patient: smiles, whistles, raises eyebrows, frowns, tightly closes eyes against resistance, shallow labial folds (flaccid paralysis)
    • Patient extends tongue - discriminate between sweet and salty
  8. Cranial Nerve 8
    • Acoustic
    • Whisper or watch-tick test
    • Test for lateralization (Weber test)
    • Test for air and bone conduction (Rinne test)
  9. Cranial Nerve 9
    • Glossopharyngeal
    • Assess swallowing ability
    • Discriminate salty and sweet on POSTERIOR tongue
  10. Cranial Nerve 10
    • Vagus
    • Depress a tongue blade on posterior tongue, or stimulate posterior pharynx to elicit gag reflex.
    • Note any hoarseness in voice.
    • Check ability to swallow.
  11. Cranial Nerve 11
    • Spinal Accessory
    • Palpate and note strength of trapezius muscles while patients shrugs shoulders against resistance
    • Palpate and note strength of each strenocleidomastiod muscle as patient turns head against opposing pressure of the examiners hand.
  12. Cranial Nerve 12
    • Hypoglossal
    • Patient protrudes tongue.
    • Note any tremors or deviations.
    • The strength of the tongue is tested by having the protruding tongue moved from side to side against a tongue depressor.
  13. Which cranial nerves do you assess in the same way?
    Cranial Nerves 3,4,6

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