Menstrual Cycle Events Quiz

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What hormone is responsible for the formation of the corpus luteum?

Estrogen

LH (correct)

Progesterone

FSH

During which phase of the menstrual cycle does the follicle increase production of estrogen?

Luteal phase

Ovulation phase

Menstrual phase

Proliferative phase (correct)

What stimulates the growth of the uterine lining during the menstrual cycle?

Estrogen and progesterone (correct)

Progesterone

FSH

LH

Which hormone is responsible for causing the follicle to rupture and expel the egg during ovulation?

LH Signup and view all the answers

How do increased levels of estrogen impact the hypothalamus during the menstrual cycle?

Cause a positive feedback to increase LH levels Signup and view all the answers

Which hormone(s) are involved in stimulating the growth of the granulosa cells in the follicle?

LH and estrogen Signup and view all the answers

What stimulates granulosa cells and theca cells to produce progesterone before ovulation?

Luteinizing hormone Signup and view all the answers

What happens to the corpus luteum if the egg is not fertilized?

Develops into corpus albicans Signup and view all the answers

What leads to the LH surge that causes ovulation?

Rise in GnRH secretion Signup and view all the answers

What causes menopause in females?

Decreased number of primary follicles Signup and view all the answers

What is the function of LH and FSH during the menstrual cycle?

Induce ovulation and stimulate progesterone production Signup and view all the answers

What occurs when estrogen levels are very low during menopause?

"Hot flashes" and irritability Signup and view all the answers

What is the function of the corpus luteum in the female reproductive system?

Produces and releases progesterone to maintain the uterine lining Signup and view all the answers

How does estrogen production differ in the ovaries compared to testosterone?

Estrogen is produced from androstenedione by the theca cells Signup and view all the answers

Which of the following hormones stimulates the granulosa cells to convert androstenedione into estradiol in the ovaries?

Follicle stimulating hormone (FSH) Signup and view all the answers

In oogenesis, what structure contains the primary oocyte surrounded by granulosa cells that secrete fluid into the antrum?

Primary follicle Signup and view all the answers

During ovulation, what causes the mature follicle to rupture and expel the egg?

LH surge Signup and view all the answers

How does oogenesis differ from spermatogenesis in terms of gamete production?

Oogenesis produces millions of eggs compared to spermatogenesis producing one sperm Signup and view all the answers

What is the main role of luteinizing hormone (LH) in the female reproductive system?

Causes ovulation by stimulating release of the egg from the follicle Signup and view all the answers

What is the consequence if a mature follicle degenerates into corpus albicans?

Menstruation happens due to lack of implantation Signup and view all the answers

Which hormone is responsible for converting cholesterol into androstenedione in ovaries?

Luteinizing hormone (LH) Signup and view all the answers

What is the primary function of estrogen in the ovaries?

Contributes to follicle development and maturation Signup and view all the answers