Which of the following statements is true regarding the thyroid hormones (T3 and T4)?
a. They inhibit hypothalamus secreting TRH (thyrotropin-releasing hormone)
b. They inhibit anterior pituitary secreting TSH (thyrotropin or thyroid-stimulating hormone)
c. They stimulate hypothalamus secreting TRH (thyrotropin-releasing hormone)
d. They stimulate anterior pituitary secreting TSH (thyrotropin or thyroid-stimulating hormone)
Ans:
a. They inhibit hypothalamus secreting TRH (thyrotropin-releasing hormone)
b. They inhibit anterior pituitary secreting TSH (thyrotropin or thyroid-stimulating hormone)
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