Physiology Quiz: Thyroid Gland and Thyroid Hormones - Part 1

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Home > Daily Quiz > Thyroid Gland and Thyroid Hormones - Part 1

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Physiology Quiz -
Thyroid Gland and Thyroid Hormones - Part 1

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) These hormones are transported in the blood by being bound to binding (or carrier) proteins:

	(A) Catecholamines
	(B) Aldosterone
	(C) Thyroid hormones
	(D) Insulin
	(E) Cortisol

(2) Thyroxine (T₄), the product of the thyroid gland, feeds back negatively on the anterior pituitary gland. If due to some pathophysiological state, the amount of T₄ in plasma is reduced to below normal, which of the following would you expect to see?

	(A) Decreased metabolism
	(B) Decreased level of the thyroid stimulating hormone (TSH)
	(C) Increased level of the thyroid stimulating hormone (TSH)
	(D) A and B only
	(E) A and C only

(3) Which of the following is the predominantly active form of the thyroid hormone in most target tissues?

	(A) Triiodothyronine (T₃)
	(B) Tetraiodothyronine (T₄)
	(C) Both are equally active in all target tissues

(4) The thyroid hormone, tetraiodothyronine (T₄) is also known as:

(5) The thyroid hormone, triiodothyronine, is also commonly known as:

	(A) T₃
	(B) T₄

Checking your answers...

Posted: Wednesday, January 14, 2015