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20 Cards in this Set
- Front
- Back
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There are ____ pairs of spinal nerves and ____ pairs of cranial nerves.
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31, 12
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Many clinicians are wary of removing CSF during a spinal tap in patients with ___(high/low)___ intracranial pressure.
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high. Pressure can result from differential between cranial and spinal cavities, as might happen when the brain stem herniates into the foramen magnum.
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Of the 12 cranial nerves, ___ of them are purely sensory, ____ of them are purely motor, and ____ of them are mixed.
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3, 5, 4
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Name the function of Cranial Nerve I.
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smell
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Name the function of Cranial Nerve II.
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sight
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Name the function of Cranial Nerve III.
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move the eyes (constricts pupils, accommodates)
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Name the function of Cranial Nerve IV.
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move the eyes
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Name the function of Cranial Nerve V.
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chews and feels the front of the head
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Name the function of Cranial Nerve VI.
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move the eyes
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Name the function of Cranial Nerve VII.
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moves the face, tastes, salivates, cries
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Name the function of Cranial Nerve VIII.
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hears, regulates balance
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Name the function of Cranial Nerve IX.
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tastes, salivates, swallows, monitors carotid body and sinus
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Name the function of Cranial Nerve X.
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tastes, swallows, lifts palate, talks, communication to and from thoraco-abdominal viscera
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Name the function of Cranial Nerve XI.
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turns head, lifts shoulders
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Name the function of Cranial Nerve XII.
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moves the tongue
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Cranial Nerves I - IV are located where in the brainstem - medulla, pons, or midbrain?
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midbrain. Though I and II actually lie more rostral near the diencephalon
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Cranial Nerves V - VIII are located where in the brainstem - medulla, pons, or midbrain?
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pons
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Cranial Nerves IX - XII are located where in the brainstem - medulla, pons, or midbrain?
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medulla
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In general, the cranial nerves exit relatively ___(anterior/posterior) to the ventricular sytem and ___(do/do not)___ cross over to the opposite side on exiting from the brain.
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anterior, do not. The only exception is Cranial Nerve IV, which both crosses over and passes over the roof of the brainstem.
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Cranial Nerve ___ pulls down, closing the eye whereas Cranial Nerve ___ opens the eye.
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III, VII
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