Question

a. choose the correct answer for each question.

1. what triggers the release of a mature egg from the ovary?

a. estrogen
b. progesterone
c. follicle - stimulating hormone (fsh)
d. luteinizing hormone (lh)

1. what happens during ovulation?

a. the endometrium breaks down and sheds.
b. a mature egg is released from the ovary.
c. blood and tissue are expelled from the uterus.
d. the fallopian tube becomes blocked.

1. what hormone is responsible for preparing the uterus for the implantation of a fertilized egg?

Explanation:

Question 1

To determine what triggers the release of a mature egg from the ovary, we analyze each option:

• Option a: Estrogen is involved in the menstrual cycle but doesn't trigger ovulation.
• Option b: Progesterone is mainly for maintaining the uterine lining after ovulation.
• Option c: Follicle - stimulating hormone (FSH) stimulates follicle development, not egg release.
• Option d: Luteinizing hormone (LH) surge triggers the release of a mature egg from the ovary (ovulation).

To find what happens during ovulation, we analyze each option:

• Option a: The endometrium breaking down and shedding is part of menstruation, not ovulation.
• Option b: Ovulation is defined as the release of a mature egg from the ovary.
• Option c: Blood and tissue being expelled from the uterus is menstruation.
• Option d: The Fallopian tube becoming blocked is not related to ovulation.

The hormone responsible for preparing the uterus for the implantation of a fertilized egg is progesterone. Progesterone thickens the endometrium (uterine lining) to make it suitable for a fertilized egg to implant.

Answer:

d. Luteinizing hormone (LH)

Question 2