KA2- Before + After Ovulation

Question 1

1) Day 1, menstruation … , … (…) 11

Answer 1

starts, follicle stimulating hormone levels rise (pituitary hormone)

Question 2

2) FSH stimulates… and follicle … (…) 12

Answer 2

development of follicle and follicle to produce oestrogen (ovarian hormone)

Question 3

3) High levels… : 7

Answer 3

of oestrogen can result in:

Question 4

a) … of endometrium (…) preparing… 9

Answer 4

Proliferation of endometrium (uterus effect) preparing it for implantation

Question 5

b) At the end of the …, high… 19

Answer 5

follicular phase, high levels of oestrogen stimulate the pituitary glands production of luteinising hormone

Question 6

4) LH surge …4

Answer 6

triggers ovulation

Question 7

5) … travels down.. and … becomes …10

Answer 7

Ovum travels down oviduct and follicle becomes a corpus luteum

Question 8

6) LH maintains … 8

Answer 8

the existence of the corpus luteum

Question 9

7) Corpus luteum… 4

Answer 9

secretes progesterone

Question 10

8) Increased … (…) …: 6

Answer 10

progesterone (and oestrogen) result in

Question 11

a) further… (…) 8

Answer 11

development and vascularisation of endometrium (uterus effect)

Question 12

b) Negative feedback inhibition of …. (…) which prevents… 17

Answer 12

pituitary glands production of LH (and FSH) which prevents further follicles from developing

Question 13

9) Inhibtion of LH (and FSH) causes… 10

Answer 13

corpus luteum to degenerate

Question 14

10) The degenerating corpus luteum… 7

Answer 14

stops producing progesterone

Question 15

11) … results in:

Answer 15

The fall in progesterone results in:

Question 16

a) .. to start 3

Answer 16

Menstruation to start

Question 17

b) End the … 12

Answer 17

End the inhibition of the pituitary glands production of FSH and LH

Question 18

12) FSH… 5

Answer 18

levels start to rise