Hormonal Control

Question 1

What are hormones?

Answer 1

Chemical messengers produced by endocrine glands

Question 2

What is puberty?

Answer 2

The development of primary sexual characteristics

Question 3

Is is FSH

Answer 3

Follicle Stimulating Hormone

Question 4

What is ICSH?

Answer 4

Interstitial Cell Stimulating Hormone

Question 5

What is LH

Answer 5

Luteinising hormone

Question 6

What is the male hormone?

Answer 6

Testosterone

Question 7

What are the two female hormones?

Answer 7

Oestrogen and progesterone

Question 8

What is the role of oestrogen?

Answer 8

Stimulates the inner layer of the uterus

Question 9

What is the role of progesterone?

Answer 9

Promotes the further development of thickening the endometrium.

Question 10

How many days is the menstrual cycle typically?

Answer 10

28 days

Question 11

How many days is the follicular phase?

Answer 11

1-13 days

Question 12

How many days is the luteal phase?

Answer 12

15-28 days

Question 13

What effect does FSH and ICSH have on testes?

Answer 13

FSH - Stimulates sperm productions in the seminiferous tubules
ICSH - Stimulates production of testosterone in the interstitial cells.

Question 14

What effect does testosterone have?

Answer 14

Stimulates sperm production and activates the seminal vesicles and prostate to produce secretions.

Question 15

What effect does FSH and LH have on the ovaries?

Answer 15

FSH - Stimulates the development and maturation of the follicle and the ovary tissue secretes oestrogen.

LH - Triggers ovulation. Develops corpus luteum, which secretes progesterone.

Question 16

What are the two phases of the menstrual cycle?

Answer 16

Follicular and Luteal Phase

Question 17

What happens when there is a surge in LH levels during the menstrual cycle?

Answer 17

Causes ovulation to occur (day 14) as the follicle ruptures and releases the egg.