Cranial Nerve Considerations Flashcards

1
Q

olfactory (1)

A

rarely involved, typically skipped

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2
Q

optic (2)

A
  • field cuts/visual loss

- reduced visual acuity (blurry vision)

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3
Q

oculomotor, trochlear, abducens (3,4,6)

A
  • gaze palsies –> double vision (diplopia)

- ptosis

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4
Q

trigeminal (5)

A
  • loss of facial sensory input
  • asymmetrical jaw movement and strength
  • loss of mastication –> choking risk –> aspiration risk
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5
Q

facial (7)

A
  • facial weakness, loss of sensory of the tongue, impairment of salivary glands –> choking risk –> aspiration risk
  • impairment of lacrimal glands n–> impaired vision
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6
Q

vestibulocochlear (8)

A
  • hearing loss

- vestibular dysfunction –> vertigo, balance deficits

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7
Q

glossopharyngeal (9)

A
  • dysphagia
  • reduced taste and sensation on tongue, loss of gag reflex –> choking risk –> aspiration risk
  • ANS: CV dysfunction (HR, BP)
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8
Q

vagus (10)

A
  • pharyngeal and laryngeal weakness
  • loss of gag reflex –> choking risk –> aspiration risk
  • ANS: abnormalities of esophageal motility, gastric acid secretion, gallbladder emptying, CV dysfunction (HR)
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9
Q

spinal accessory (11)

A

UT and SCM weakness –> inability to rotate head or shrug shoulders

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10
Q

hypoglossal (12)

A

tongue weakness –> choking risk –> aspiration risk

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