Biology · Endocrine System
In a classic negative feedback loop, what direct effect would an excess of circulating thyroid hormones have on Thyrotropin-Releasing Hormone (TRH) secretion from the hypothalamus?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It would actively stimulate and increase the production of TRH
- 2It would significantly increase the secretion of ACTH instead
- 3It would inhibit the secretion of TRH from the hypothalamus✓
- 4It would have no measurable biological effect on TRH levels
Correct answer
It would inhibit the secretion of TRH from the hypothalamus
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