Myasthenia gravis 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 51-year-old man presents to the ophthalmologist for evaluation of double vision. He reports intermittent horizontal diplopia over the past two weeks that worsens as the day progresses, especially with reading. He has felt more fatigued lately, particularly in the evenings. He has no significant past medical history and takes no medication. He has myopia, for which his lens prescription has not changed. Temperature is 37.0°C (98.6°F), pulse is 68/min, respirations are 12/min, and blood pressure is 130/80 mmHg., oxygen saturation is 98% on room air. Examination reveals bilateral ptosis that becomes more pronounced with sustained upward gaze and difficulty getting up from the chair. Which of the following additional findings is most likely to be seen in this patient?  

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