Graves disease, due to stimulating antibodies, leads to which thyroid state?

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Prepare for the National Association of Nutritional Professionals (NANP) Domain IV Test. Review flashcards and multiple choice questions with detailed explanations. Get exam-ready!

Multiple Choice

Graves disease, due to stimulating antibodies, leads to which thyroid state?

Explanation:
Stimulating antibodies in Graves disease activate the TSH receptor on thyroid cells, driving the gland to overproduce thyroid hormones T3 and T4. This excess hormone creates a hyperthyroid state, with the pituitary dialing back TSH due to negative feedback. A goiter can be present because the gland is stimulated and enlarges, but the defining state is hyperthyroidism, not hypothyroidism or euthyroid.

Stimulating antibodies in Graves disease activate the TSH receptor on thyroid cells, driving the gland to overproduce thyroid hormones T3 and T4. This excess hormone creates a hyperthyroid state, with the pituitary dialing back TSH due to negative feedback. A goiter can be present because the gland is stimulated and enlarges, but the defining state is hyperthyroidism, not hypothyroidism or euthyroid.

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