12 Cranial Nerve functions and assessment
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is cranial nerve one and how is it assessed? | Smell- have patient identify a familiar scent with eyes shut
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| What is cranial nerve two and how is it assessed? | Vision acuity- test acuity with snellen chart
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| What is cranial nerve three, four, and six and how are they assessed? | Eyelid elevation, motor movement of eyes- have patient look down, up, side to side, and in. Test pupil reaction with pen light.
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| What is cranial nerve five and how is it assessed? | Chewing, facial and mouth sensation- touch patients face with sharp and soft objects while eyes are closed; have patient open mouth and try to shut jaw; touch eye and both eyes should blink
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| What is cranial nerve seven and how is it assessed? | facial expression, taste, eyelid and lip closure- ask patient to smile, squint, and raise eyebrows
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| What is cranial nerve eight and how is it assessed? | hearing, equilibrium- whisper test; tuning fork; ticking watch
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| What is cranial nerve nine and how is it assessed? | gagging and swallowing- assess gag and swallowing
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| What is cranial nerve ten and how is it assessed? | gagging and swallowing, speech- assess vocal quality
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| What is cranial nerve eleven and how is it assessed? | shoulder movement and head rotation- have patient shrug shoulders and turn head from side to side
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| What is cranial nerve twelve and how is it assessed? | tongue movement- have patient stick out tongue and move it internally from cheek to cheek
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