Question

High levels of progesterone: inhibit GnRH and subsequently LH and FSH production. only increase LH and...

High levels of progesterone:

inhibit GnRH and subsequently LH and FSH production.

only increase LH and FSH production - GnRH levels remain unchanged.

have no effect on GnRH, LH, and FSH levels.

activate GnRH production but levels of LH and FSH are unchanged.

inhibit GnRH production and increase LH and FSH production.
Science   Anatomy-And-Physiology   
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Answer #1

Answer ; inhibit GnRH and subsequently LH and FSH production.

Reason ; There is always a link between these releasing hormone and the FSH,  LH hormone. If there is a changes or feedback occurs in the releasing hormone, according to the influence it will influence the FSH and LH. It is not possible to inhibit GnRH and elevate other two hormone and vice versa. Whenever there is an increase in the level of progesterone the above mentioned response would happen to the other hormones which are mentioned in the above option and that would be as a negative feedback manner. hence the above mentioned option is the appropriate one and the other options are not relevant.

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