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Physiology Quiz -
Thyroid Gland and Thyroid Hormones - Part 11
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.
(1)   Thyroid peroxidase (TPO) of the thyroid gland is a transmembrane glycoprotein.
(2)   Iodide trap refers to the ability of the thyroid gland to accumulate iodide against a concentration gradient. The molecule that is directly responsible for this function is the:
(3)   Iodide entry into the thyroid follicular cells is the first and rate-limiting step in the process of thyroid hormone biosynthesis. Transport of iodide across the basolateral membrane of follicular cells from the blood/interstitial fluid side to the cytoplasmic space is accomplished by:
(4)   Before iodide can be incorporated into the thyroid hormones, it must leave the thyroid follicular cells through the apical membrane to enter colloid in the lumen of thyroid follicles. Iodide transport across the apical membrane of follicular cells is accomplished by:
(5)   Thyroid hormone synthesis and release are under the direct control of:
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Posted: Saturday, January 24, 2015