Approach to polyneuropathy 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 25-year-old woman presents to the primary care clinic for follow-up of weakness. The patient describes gradually progressive unsteadiness of gait since adolescence. Past medical history includes cardiomyopathy of unknown etiology and scoliosis. No medications are taken. Temperature is 37.0°C (98.6°F), pulse is 70/min, respirations are 12/min, and blood pressure is 112/62 mmHg. The patient's speech is dysarthric. There is ataxia on finger-nose-finger testing, and a wide-based gait is observed. The patient nearly falls over with eye closure. Which of the following historical, examination, or laboratory findings is most likely given this patient’s diagnosis?

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