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Cranial NervesI-XII
cranial nerves 1-12 and what they do
| Question | Answer |
|---|---|
| 1 | Olfactory nerve. Sense of smell. |
| 2 | Optic nerve.Visual acuity/visual fields |
| 3 | Oculomotor nerve. Pupillary reactions, extraocular movements, including eye opening. |
| 4 | Trochlear nerve. pupillary reactions, extraocular movements, including eye opening |
| 5 | Trigeminal nerve. facial sensation, jaw movements, and corneal reflexes, voice and speech |
| 6 | abducens nerve. extraocular movements, including eye opening |
| 7 | facial nerve. facial movements and gustation (taste), voice and speech |
| 8 | vestibulocochlear nerve. hearing, balance |
| 9 | glossopharyngeal nerve. swallowing, elevation of the palate, gag reflex, and gustation |
| 10 | vagus nerve. Swallowing, elevation of the palate, gag reflex, and gustation, voice and speech |
| 11 | accessory nerve. shrugging of the shoulders and turning the head |
| 12 | hypoglossal nerve. voice and speech |