Question

Which of the following events is not associated with ovulation in human females?

• A. LH surge
• B. Release of the secondary oocyte
• C. Full development of Graafian follicle
• D. Decrease in estradiol

Answer 1

The correct option is D

Decrease in estradiol

The correct option is D.

Explanation of the correct option:

1. The process of an egg being released from the ovary is called ovulation.
2. Ovulation occurs during the middle of each menstrual cycle.
3. Estradiol level is at its peak during ovulation.
4. Estradiol is secreted by the growing follicles.

Explanation of incorrect options:

Option A:

1. The level of Luteinizing hormone attains a peak during the middle of the menstrual cycle.
2. The Graafian follicle rupture caused by the LH surge results in the release of the ovum.

Option B:

A secondary oocyte ( ovum) is released by the rupture of the Graafian follicle during the process of ovulation.

Option C:

Full development of Graafian follicle occurs, and it ruptures to release ovum by the process of ovulation.

Final answer: Decrease in estradiol is not associated with ovulation in human females.