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Cranial Nerves
Question | Answer |
---|---|
I. Olfactory, S | superior to optic chiasma, underside of frontal lobe; carry special visceral afferent impulses for sense of smell |
II. Optic, S | extends out of optic chiasma; carry special somatic afferent impulses for vision |
III. Oculomotor, M | origninates in midbrain, near its junction w/pons; moves the eye muscles (infer/sup oblique, medial radialis) |
IV. Trochlear, M | brainstem (cerebral peduncles) moves sup. oblique musc. |
V. Trigeminal, B | lat. side of pons, facial muscles, skin on face |
VI. Abducens, M | caudal part of pons, lat. Rectus musc. |
VII. Facial, B | rost of medulla, inf. To CNVIII; Sk musc. Of face, facial express., most of tongue |
VIII. Vestibulochoclear, S | rost. End of medulla, sends info about balance |
IX. Glossopharyngeal, B | lat. Part of medulla; pharyngeal musc., tongue |
X. Vagus, B | lat. Part of medulla, below CNIX; thoracic abdominal cavities, pharnnyx |
XI. Accessory, M | Cerv. Portion of Spinal Cord; neck and back |
XII. Hypoglossal, M | on medulla, med. to CNX; instrinsic/extrinsic tongue musc., salivary glands |
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