The thyroid hormones T3 (triiodothyronine) and T4 (thyroxine) provide feedback to the hypothalamus. This feedback causes the hypothalamus to:

Physiology Test Question

The thyroid hormones T₃ (triiodothyronine) and T₄ (thyroxine) provide feedback to the hypothalamus. This feedback causes the hypothalamus to:

	(A) Reduce the synthesis and release of the thyrotropin releasing hormone (TRH)
	(B) Increase the synthesis and release of the thyrotropin releasing hormone (TRH)
	(C) Reduce the synthesis and release of the thyroid stimulating hormone (TSH)
	(D) Increase the synthesis and release of the thyroid stimulating hormone (TSH)

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