Which of the following option CORRECTLY identifies the level of follicle stimulating hormone (FSH) and estrogen that will stimulate the production of luteinizing hormone (LH)?
Correct answer: C. Decrease FSH and Increase LH
- A. Decrease FSH, Decrease estrogen
- B. Increase FSH and Increase estrogen
- C. Decrease FSH and Increase LH
- D. Increase FSH and decrease LH
Explanation
The correct answer is C.Decrease in FSH and increase in estrogenThis is because the surge in luteinizing hormone (LH) that leads to ovulation is typically triggered by rising levels of estrogen. Option A is incorrect because decreases in both hormones do not stimulate LH production. Option B is incorrect because an increase in LH typically follows an increase in estrogen rather than a decrease in FSH. Option D is incorrect because LH production is not stimulated by an increase in FSH and a decrease in estrogen.
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About Menstrual Cycle
The menstrual cycle covers the coordinated changes in the ovaries and uterus, including menstruation, follicular growth, ovulation and corpus luteum formation. It links follicle-stimulating hormone, luteinizing hormone, oestrogen and progesterone with endometrial changes, and distinguishes the ovarian cycle from the uterine cycle and the hormonal events of pregnancy.
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