A&P Cranial Nerves(Exam 2)
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12 terms
Terms | Definitions |
|---|---|
 olfactory | I. -smell |
| Optic | II. -vision |
| Ocularmotor | III. -ocular movement(except lateral out and down) -plays an important role in controlling pupillary size. This is clinically relevant because damage to the temporal skull can increase pressure in the temporal area of the brain. This pressure presses on the nerve of the ipsilateral side, and the pupil on that side dilates. This is one of the reasons why health care providers shine a flashlight into peoples eyes when evaluating them. If one pupil stays dilated and the other constricts to the light, that is a sign of uneven intracranial pressure |
| trochlear | IV. -eye outward and down |
| V. Trigeminal | V. sensory to face, eye motor to ear, jaw, anterior tongue |
| abducens | VI eye outward |
| facial | VII. motor to face, scalp -sensory taste in tongue, salivary glands |
| Acoustic(vestibulococlear) | VIII. -hearing and equilbrum |
| glossylpharyngeal | IX. taste, sensation to pharynx, soft palate, tonsils, motor for pharynx |
| vagus | X sensory to throat, thoracic and visceral areas(gut organs -motor to throat. Autonomic ganglia of thorax and viscera |
| Spinal accessory | XI. motor to throat, cardiac and upper thoracic muscles |
| hypoglossal | XII. motor to neck and tongue |
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