Place the following hormones in the correct order of their control,from first tier to third tier. A)thyroid-stimulating hormone (TSH),thyrotropin-releasing hormone (TRH),production of T₃ and T₄ B)thyroid-stimulating hormone (TSH),production of T₃and T₄,thyrotropin-releasing hormone (TRH) C)thyrotropin-releasing hormone (TRH),thyroid-stimulating hormone (TSH),production of T₃ and T₄ D)thyrotropin-releasing hormone (TRH),production of T₃and T₄,thyroid-stimulating hormone (TSH)

Question

Quizplus · Accepted Answer

TRH is the first tier hormone that stimulates the release of TSH, which is the second tier hormone that stimulates the production of thyroid hormones such as T4 (T₄) and T3 (T₃), which are the third tier hormones. Therefore, the correct order is TRH-TSH-production of T4 and T3.

Place the Following Hormones in the Correct Order of Their