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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. |