The thyroid gland is an endocrine gland whose hormone products perform many important functions. Test your basic knowledge of the thyroid gland, its hormone products, and the effect of these hormones on target tissues by taking this simple quiz.
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(1) The thyroid hormone, tetraiodothyronine, is also commonly known as:
(2) In the plasma, this is the most abundant form of the thyroid hormones:
(3) Approximately, __________ of the thyroid hormones released into the bloodstream by the thyroid gland is in the form of tetraiodothyronine (T4, also known as thyroxine).
(4) Approximately, __________ of the thyroid hormones released into the bloodstream by the thyroid gland is in the form of triiodothyronine (T3).
(5) Approximately, __________ of the thyroid hormones released into the bloodstream by the thyroid gland is in the form of reverse T3 (rT3).
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Posted: Thursday, January 15, 2015
Last updated: Tuesday, March 11, 2025
Last updated: Tuesday, March 11, 2025
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