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?

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Physiology Test Question

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

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Posted: Sunday, January 4, 2015
Last updated: Sunday, January 4, 2015