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Neuromuscular: Cranial Nerve Afferents, Efferents, Testing

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Cranial Nerve
Afferent (Sensory)
Efferent (Motor)
Test
olfactory (CN I)   show   identify familiar odors  
🗑
optic (CN II)   show   test visual fields and visual acuity  
🗑
oculomotor (CN III)     show upward, downward, and medial gaze reaction to light  
🗑
trochlear (CN IV)     show downward and inward gaze  
🗑
trigeminal (CN V)   show voluntary: muscles of mastication   corneal reflex face sensation clench teeth and push down on chin to separate jaw  
🗑
abducens (CN VI)   show voluntary: lateral rectus muscle of eyeball   lateral gaze  
🗑
facial (CN VII)   taste on anterior tongue   show close eyes tight smile and show teeth whistle and puff cheeks identify familiar tastes  
🗑
show hearing and balance     hearing tests balance and coordination tests  
🗑
show touch and pain in posterior tongue, pharynx taste on posterior tongue   voluntary: pharynx muscle autonomic: parotid gland   gag reflex ability to swallow  
🗑
vagus (CN X)   show voluntary:muscles of palate, pharynx and larynx autonomic: thoracic and abdominal viscera   gag reflex ability to swallow say "ahh"  
🗑
accessory (CN XI)     voluntary: sternocleidomastoid and trapezius   show
🗑
hypoglossal (CN XII)     voluntary: muscles of tongue   show
🗑


   

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Created by: saram6450
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