Demyelinating disorders Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 36-year-old woman comes to the physician with a 2-day history of blurry vision in the left eye and pain with eye movement. She had an episode of urinary incontinence several months ago that resolved spontaneously. The patient does not use tobacco or illicit substances. Vital signs are within normal limits. Physical examination reveals mild sensory loss in both legs below the knees. The left foot shows an extensor plantar reflex. Which of the following pathologic brain lesions is most likely present in this patient?

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Extracellular senile plaques and intracellular neurofibrillary tangles

Focal areas of demyelination with macrophages containing myelin debris

Necrosis of rapidly proliferating, anaplastic glial cells

Axonal demyelination in pontine white matter

Accumulation of nuclear viral inclusions within enlarged oligodendrocytes