Hormonal Control

Question 1

At the onset of puberty, a releaser hormone is produced in the

Answer 1

Hypothalamus

Question 2

In males, the pituitary gland releases

Answer 2

FSH and ICSH

Question 3

In females, the pituitary gland releases

Answer 3

FSH and LH

Question 4

FSH in males will promote

Answer 4

sperm production

Question 5

ICSH stimulates the production of

Answer 5

Testosterone

Question 6

The menstrual cycle takes

Answer 6

28 days (approx!)

Question 7

Day one of the menstrual cycle is when

Answer 7

menstruation occurs

Question 8

FSH (in females) stimulates the

Answer 8

development of a follicle

Question 9

Oestrogen is produced by

Answer 9

the follicle

Question 10

Oestrogen stimulates proliferation of the

Answer 10

endometrium (to prepare it for implantation)

Question 11

Oestrogen helps to make it easier for sperm to penetrate by

Answer 11

changing the consistency of cervical mucus

Question 12

Peak levels of Oestrogen cause a surge of

Answer 12

LH

Question 13

Ovulation is triggered by the surge in

Answer 13

LH

Question 14

In the luteal phase, the follicle develops into a

Answer 14

corpus luteum

Question 15

The corpus luteum secretes

Answer 15

progesterone

Question 16

Progesterone promotes further development and vascularisation of the

Answer 16

endometrium

Question 17

The ovarian hormones can have a negative feedback effect on the

Answer 17

pituitary hormones

Question 18

Negative feedback of FSH prevents

Answer 18

follicles from developing further

Question 19

A lack of LH causes degeneration of the

Answer 19

corpus luteum

Question 20

A decrease in progesterone leads to

Answer 20

menstruation

Question 21

If fertilisation occurs, the corpus luteum does not degenerate and

Answer 21

progesterone levels remain high.