Which is an example of long-loop negative feedback?
A) stimulation of dopamine release by prolactin
B) inhibition of growth hormone-releasing hormone (GHRH) release by growth hormone (GH)
C) inhibition of growth hormone-releasing hormone (GHRH) release by insulin-like growth factor-1
D) inhibition of corticotropin-releasing hormone by adrenocorticotropic hormone (ACTH)
E) stimulation of thyroid-stimulating hormone (TSH) release by thyrotropin-releasing hormone (TRH)

Question

Quizplus · Accepted Answer

Long-loop negative feedback occurs when a hormone released by a target gland inhibits the release of hormones from the hypothalamus or pituitary. Insulin-like growth factor-1, produced in response to growth hormone, inhibits the release of growth hormone-releasing hormone from the hypothalamus.

Which Is an Example of Long-Loop Negative Feedback