The thyroid gland produces all of the following EXCEPT

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Multiple Choice

The thyroid gland produces all of the following EXCEPT

Explanation:
The key idea is identifying which substance is not produced by the thyroid gland. The thyroid makes thyroglobulin and the thyroid hormones T3 and T4. Thyroglobulin is the protein precursor stored in colloid, used to form T3 and T4. T3 and T4 are the active hormones released into circulation after processing of thyroglobulin. TSH, however, is not produced by the thyroid; it is made by the anterior pituitary and stimulates the thyroid to synthesize and release its hormones. So the item not produced by the thyroid is the one that stands for thyroid-stimulating hormone.

The key idea is identifying which substance is not produced by the thyroid gland. The thyroid makes thyroglobulin and the thyroid hormones T3 and T4. Thyroglobulin is the protein precursor stored in colloid, used to form T3 and T4. T3 and T4 are the active hormones released into circulation after processing of thyroglobulin. TSH, however, is not produced by the thyroid; it is made by the anterior pituitary and stimulates the thyroid to synthesize and release its hormones. So the item not produced by the thyroid is the one that stands for thyroid-stimulating hormone.

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