| 31. | Cranial nerves have paths within and outside of the skull.
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| 32. | Magnetic resonance imaging allows direct visualization of the cranial nerves.
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| 33. | Underlying each of these are motor nuclei for the respective cranial nerves.
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| 34. | The fibers of these cranial nerves exit the brainstem from these nuclei.
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| 35. | Systemic causes could include multiple sclerosis or expanding cranial tumors.
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| 36. | Like the other cranial bones it is classed as a flat bone.
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| 37. | The cranial pia mater covers the surface of the brain.
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| 38. | The corticobulbar tract conducts impulses from the brain to the cranial nerves.
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| 39. | These are postulated to result from decreased inhibitory signaling from cranial neurons.
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| 40. | It is innervated by one of the twelve pairs of cranial nerves.
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