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brain nerve
| Question | Answer |
|---|---|
| I – Olfactory | Sensory; sense of smell |
| II – Optic | Sensory; sense of vision |
| III – Oculomotor | Motor; movement of the eye |
| IV – Trochlear | Motor; smallest/thinnest cranial nerve; movement of the eye |
| V – Trigeminal | Both; thickest cranial nerve; sensory to the face; motor to muscles of mastication (chewing) |
| VI – Abducens | Motor; abducts the eye; movement of the eye (left and right) |
| VII – Facial | Both; motor to muscles of facial expression; some taste; smile and frown |
| VIII – Vestibulocochlear | Sensory; hearing and equilibrium (balance) |
| IX – Glossopharyngeal | Both; to the throat |
| X – Vagus | Both; longest cranial nerve; runs from the brainstem through the neck, chest, and abdomen |
| XI – Accessory | Motor; movement of the shoulder and neck |
| XII – Hypoglossal | Motor; motor to the tongue |