Hyperthyroidism 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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An 18-year-old woman comes to the clinic due to upper neck and jaw pain that started gradually a week ago. The patient is generally healthy, and medical history is unremarkable other than dysmenorrhea, for which she takes acetaminophen. Two weeks ago, she had an upper respiratory infection that resolved without treatment. During the past week, she has noticed that she sweats more than usual and has difficulty sleeping. Temperature is 37.0°C (98.6°F), pulse is 110/min, and blood pressure is 125/85 mmHg. On physical examination, the thyroid gland is diffusely enlarged and very sensitive to touch. Laboratory tests are obtained and reveal the following:


Radioactive iodine uptake test is performed and reveals diffusely decreased uptake. Which of the following is most likely involved in the pathogenesis of this patient’s condition?

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