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2716 Medicine

A 38-year-old woman develops palpitations, weight loss, and heat intolerance. On examination, she has a mild tremor, an enlarged thyroid, and resting tachycardia. Biochemical tests confirm the diagnosis and she is started on methimazole. Which of the following is the most likely mechanism of this drug?

Ainhibition of iodine uptake
Binhibition of thyroidal organic binding and coupling reactions
Clowering serum calcium
Dadrenal suppression
Medicine
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