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FSCC Cranial Nerves
Stack #171433
Question | Answer |
---|---|
Olfactory | Smell |
To test olfactory nerve: | assess patency of nostrils by covering 1 nostril at a time and asking person to sniff, and have patient smell and identify different items. |
Optic | visual acuity |
To test visual acuity: | use snellen chart, test visual fields and examine with ophthalmoscope. |
Oculomotor | moves eyes up, down and peripherally, pupil-lary constriction |
Trochlear | Down and inward movement of eyes (inferior lateral) |
Trigiminial | Corneal Reflex, sensation of skin of the face,chewing,biting,lateral jaw movements |
Abducens | inferior lateral movement of eye |
Facial | taste, anterior 2/3 of tongue, movement of forehead and mouth |
Acoustic (Vestibulocochlear) | hearing, balance (equilibrium) |
Glossopharyngeal | swallowing and phonation,taste in posterior 1/3 of mouth,gag reflex,parotid gland |
Vagus | sensations of posterior 1/3 of tongue, throat,gag reflex,swallowing and phonation,gag reflex, H.R.,digestion |
Spinal (Accessory) | shoulder movement, shoulder shrug, head rotation (trapezius and sternomastoid muscles) |
Hypoglossal | Tongue movement |
To test hypoglossal: | protrude tongue, push tongue into cheek |
To test Spinal: | put light pressure on side of patient's head and have them turn toward touched side, push against examiner's hand |
To test Vagus: | stimulate back of pharnyx with blade, touch tongue blade to tongue |
To test glossopharyngeal: | have patient drink and observe them swallowing, sweet/salty items on posterior of tongue |
To test acoustic: | close eyes...determine distance to hear ticking of clock, weber and rhinne test, ososcope |
To test Facial: | sweet/salty on anterior 2/3 of tongue, raise eyebrows, show teeth,smile,puff out cheeks,funny faces, frown |
To test oculomotor,trochlear,abducens: | have patient hold head still and follow finger up/down/left/right, test for accommodatin,pupillary constriction,observe for ptosis of upper eyelid |
To test trigeminal: | corneal reflex with cotton on cornea, wisp of cotton on eyebrow,cheeks and chin, chew or move jaw side to side. |