Cranial Nerve:
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Major Functions:
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I Olfactory
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smell
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II Optic
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vision
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III Oculomotor
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eyelid and eyeball movement
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IV Trochlear
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innervates superior oblique
turns eye downward and laterally
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V Trigeminal
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chewing
face & mouth touch & pain
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VI Abducens
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turns eye laterally
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VII Facial
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controls most facial expressions
secretion of tears & saliva
taste
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VII Vestibulocochlear
(auditory)
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hearing
equillibrium sensation
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IX Glossopharyngeal
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taste
senses carotid blood pressure
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X Vagus
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senses aortic blood pressure
slows heart rate
stimulates digestive organs
taste
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XI Spinal Accessory
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controls trapezius & sternocleidomastoid
controls swallowing movements
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XII Hypoglossal
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controls tongue movements
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