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20 Cards in this Set

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