Multiple sclerosis 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 28-year-old woman presents to the urgent care clinic for evaluation of persistent right arm numbness and tingling for one day and blurry vision in the right eye. There is no associated weakness. She has had no recent trauma, fever, or constitutional symptoms. Past medical history is notable for an episode of left optic neuritis 2 years ago that was treated with intravenous corticosteroids. She does not take any medications. Temperature is 37.0°C (98.6°F), pulse is 82/min, respirations are 14/min, and blood pressure is 118/70 mmHg. Fundoscopic examination reveals right optic disc pallor. She is unable to fully adduct the right eye and has nystagmus. There are subjective sensory changes in the right upper extremity with intact strength and reflexes. Brain magnetic resonance imaging (MRI) shows an area of hyperintensity in the left parietal juxtacortical region. Which of the following additional diagnostic tests is necessary to confirm the most likely diagnosis?
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