Question

What is the process that involves the release of a secondary oocyte and is induced by a surge of LH?

1) Follicular phase
2) Ovulation
3) Luteal phase
4) Menstruation

Answer 1

Ovulation is the process that releases a secondary oocyte, triggered by an LH surge, typically occurring around day 14 of a 28-day menstrual cycle.

Step-by-step explanation:

The process that involves the release of a secondary oocyte and is induced by a surge of LH (luteinizing hormone) is known as ovulation. This event typically occurs around day 14 of a 28-day menstrual cycle, marking the end of the follicular phase and the transition to the luteal phase. During the follicular phase, the rise in estrogen levels initially suppresses LH. However, when estrogen levels reach a certain threshold, this suppression reverses, and estrogen stimulates the release of a large amount of LH, leading to the LH surge. The LH surge matures the egg and weakens the follicle wall, allowing for the rupture of the follicle and the release of the secondary oocyte into the uterine tube.