Physiology Test Question

Which of the following thyroid hormones is the most physiologically active form of the thyroid hormone?

	(A) 3,5,3'-Triiodothyronine (T₃)
	(B) 3,3',5'-Triiodothyronine (reverse T₃ or rT₃)
	(C) 3,5,3',5'-Tetraiodothyronine (T₄; also known as thyroxine)

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Posted: Sunday, June 19, 2016
Last updated: Sunday, May 8, 2016

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