The Menstrual Cycle

Question 1

What are the two phases of the ovarian cycle?

Answer 1

Follicular and lateral phases

Question 2

What are the three phases in the uterine cycle?

Answer 2

Menses, proliferative and secretory phases

Question 3

What molecule produced by granuloma cells in the early follicular phase of the ovarian cycle increase FSH production?

Answer 3

Activin

Question 4

What does FSH stimulate in the early follicular phase of ovarian cycle?

Answer 4

Follicle growth

Question 5

How does inhibit affect FSH production?

Answer 5

Decreases FSH production

Question 6

When do the granulosa cells of the follicle start producing inhibin?

Answer 6

In the late follicular stage

Question 7

In what stage of the ovarian cycle do the levels of oestrogen and inhibin increase?

Answer 7

Late follicular phase

Question 8

Why is that when oestrogen exerts a positive feedback only the level of LH increases drastically and not FSH?

Answer 8

FSH production is being limited by inhibin

Question 9

Why is there a quick drop in LH production entering into the luteal phase of the ovarian cycle?

Answer 9

Corpus luteum produces lots of oestrogen and progesterone which exerts negative feedback on LH production

Question 10

Increase in what hormone stimulates ovulation to occur?

Answer 10

LH

Question 11

What type of hormones are oestrogen and progesterone?

Answer 11

Steroid hormones