Which of the following ovarian hormones is involved in a positive feedback loop with the hypothalamus and the anterior pituitary?Multiple ChoiceGonadotropinProgesteroneEstrogenLuteinizing hormoneGonadotropin-releasing hormone
Question
Which of the following ovarian hormones is involved in a positive feedback loop with the hypothalamus and the anterior pituitary?Multiple ChoiceGonadotropinProgesteroneEstrogenLuteinizing hormoneGonadotropin-releasing hormone
Solution
The ovarian hormone that is involved in a positive feedback loop with the hypothalamus and the anterior pituitary is Estrogen.
Here's a step-by-step explanation:
- The hypothalamus releases gonadotropin-releasing hormone (GnRH).
- GnRH stimulates the anterior pituitary to release follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
- FSH and LH stimulate the ovaries to produce estrogen.
- As estrogen levels rise, they stimulate the hypothalamus and the anterior pituitary to release more GnRH, FSH, and LH, creating a positive feedback loop.
So, the correct answer is Estrogen.
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