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Cranial Nerves
cranial nerves and their various actions
| Question | Answer |
|---|---|
| Cranial Nerve I | Olfactory |
| Cranial Nerve II | Optic |
| Cranial Nerve III | Oculomotor |
| Cranial Nerve IV | Trochlear |
| Cranial Nerve V | Trigeminal |
| Cranial Nerve VI | Abducens |
| Cranial Nerve VII | Facial |
| Cranial Nerve VIII | Acoustic |
| Cranial Nerve IX | Glossopharnygeal |
| Cranial Nerve X | Vagus |
| Cranial Nerve XI | Accessory |
| Cranial Nerve XII | Hypoglossal |
| Cranial Nerve I : Action / Testing | Olfactory : smell Testing : present patients with familiar smells such as coffee or perfume. Cannot test with a trach |
| Cranial Nerve II : Action | Optic: vision |
| Cranial Nerve III: Action / Testing | Oculomotor: raising of eyelid constricts pupil most eye movements Testing: squint eyes |
| Cranial Nerve IV: Action / Testing | Trochlear: downward, inward movement of the eye Testing: patient will present with difficulty going down stairs |
| Cranial Nerve V : Action / Testing | Trigeminal: jaw opening, clenching, chewing, general sensation to the tongue Testing: touching tongue to top of the mouth |
| Cranial Nerve VI : Action / Testing | Abducens: lateral movement of the eyes Testing: ask patient to gaze laterally |
| Cranial Nerve VII : Action / Testing | Facial: muscles for facial expression, closing of the eyelid, taste of the anterior 2/3 portion of the tongue |
| Cranial Nerver VIII: Action / Testing | Acoustic : hearing, balance/equilibrium Testing: PT cannot perform auditory testing but patient may be referred |
| Cranial Nerve IX : Action / Testing | Glossopharyngeal: muscles for swallowing and phonation, taste on the posterior 1/3 of tongue, gag reflex Testing: Articulating / making sounds |
| Cranial Nerve X : Action / Testing | Vagus: swallowing, gotteral speech sounds, and parasympathetic action of heart/lungs/stomach Testing: patient to say deep stomach sounds such as "guh, ahh." Patient will be unable to lower heightened responses from sympatheic reactions |
| Cranial Nerve XI : Action / Testing | Accessory: shrugging of the shoulders, turning the head side to side |
| Cranial Nerve XII : Action / Testing | Hypoglossal: motor of the tongue Testing: patient sticks their tongue out. Deviation to the right or left |
Created by:
jbylin
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