Question

With respect to the assertion and reason given , choose the correct answer.

Assertion [A] - During secretory phase low levels of progesterone inhibit the production of FSH.

Reason [R] - As long as progesterone levels are low, the endometrium is maintained and no new follicles are stimulated.

• A. [A] is true and [R] is false.
• B. Both [A] and [R] are false
• C. Both [A] and [R] are true and [R] is a correct explanation to [A].
• D. [A] is true and [R] are true but [R] is not a correct explanation to [A].

Answer 1

The correct option is B

Both [A] and [R] are false

During the secretory phase of the menstrual cycle, high levels of progesterone inhibit the production of the pituitary hormone FSH by a negative feedback mechanism of enzyme regulation. High levels of progesterone maintain the thickness of the endometrium for a possible implantation.