A 32 year old woman presents with palpitations. She reports…
A 32 year old woman presents with palpitations. She reports that she also has not been sleeping well and finds it difficult to concentrate on her job at work. She says she feels restless, anxious, and despite having been eating more, has been losing weight. She also complains of feeling too hot even at room temperature. On examination she has bulging eyes and an enlarged thyroid gland. Considering the negative feedback loops that control thyroid hormones, which of the following findings is most likely to be present in this woman?
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