The body is able to maintain a relatively constant level of thyro...

Question

The body is able to maintain a relatively constant level of thyroid hormone in the blood because 
a. thyroid hormone stimulates the pituitary to secrete thyroid-stimulating hormone (TSH). 
b. thyroid hormone inhibits the secretion of TSH-releasing hormone (TRH) from the hypothalamus. 
c. TRH inhibits the secretion of thyroid hormone by the thyroid gland. 
d. thyroid hormone stimulates the hypothalamus to secrete TRH.

Accepted Answer

everyone. Let's take a look at this question together which of the falling organs or glands is under the negative feedback control of the thyroid gland. Let's take a look at an image of the hormone pathway of the brain. To try to figure out which organ listed below is under the negative feedback control of the thyroid gland. So looking at this image we can see here is the thyroid gland and that negative feedback is sent back to the anterior pituitary gland as well as the hypothalamus. Which would make answer choice D the correct answer because both the hypothalamus and the pituitary gland are those organs or glands that are under the negative feedback control of the thyroid gland. Because as we can see from this negative feedback pathway, the thyroid hormones are blocking that T. R. H. Or the the thigh roped in releasing hormone from the hypothalamus. And they're also blocking the release of the thyroid stimulating hormone or the TSH from that anterior pituitary gland. So those are the two organs or glands that are under that negative feedback control from the thyroid gland. So answer choice D. Best represents both of those options. I hope you found this video to be helpful. Thank you and goodbye

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