Multiple Sclerosis Test Questions and Answers
Multiple Sclerosis Test Questions and Answers Multiple Sclerosis (MS) Definition - Answer-Multiple Sclerosis (MS) is an acquired disease of demyelinating plaques within white matter of the CNS disseminated over space and time It is characterized by relapsing and remitting, or progressive, neurologic deficits in multiple areas of the CNS over time. Epidemiology of MS - Answer-MS has a predilection for white matter in the CNS T cell auto-immune mediated destruction of myelin sheathing with relative preservation of the axons 2X more common in women than men Higher risk in higher socioeconomic class Caucasians at higher risk Patients typically age 20-40 More common in the northern regions of Europe and the US - prevalence as high as 1 per 1000 Temperate climates In US and Europe the most frequent cause of chronic neurologic disability among young and middle aged persons MS Plaques - Answer-White matter gliotic lesions Cluster around periventricular areas, spinal cord, cerebellum, brain stem Myelin sheaths destroyed The 4 Types of MS - Answer-Relapsing - Remitting Primary - Progressive Secondary - Progressive Relapsing - Progressive
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