Hormonal control of Reproduction

Question 1

Place where fertilisation occurs

Answer 1

oviduct

Question 2

Cell formed when ovum is fertilised by a sperm in the oviduct

Answer 2

zygote

Question 3

Name the 2 hormones involved in the onset of puberty in males

Answer 3

Follicle-stimulating Hormone
Interstitial cell stimulating hormone

Question 4

Name the 2 Hormones involved in the onset of puberty in females

Answer 4

Follicle stimulating Hormone
Lutenising Hormone

Question 5

Which organ produces the hormones that trigger the onset of puberty

Answer 5

pituitary gland

Question 6

Name the organ that produces the hormone which stimulates the pituitary gland

Answer 6

hypothalamus

Question 7

State the site of production of FSH in males and the target tissue

Answer 7

pituitary gland

seminiferous tubules in testes

Question 8

state the function of FSH in males

Answer 8

promotes sperm production in seminiferous tubules

Question 9

State the site of production for ICSH in males and the target tissue

Answer 9

pituitary gland

the interstitial cells in testes

Question 10

State the function of ICSH in males

Answer 10

stimulates the production of testosterone by interstitial cells

Question 11

State the site of production of testosterone in males and the target tissue

Answer 11

interstitial cells

seminiferous tubules
prostate gland
seminal vesicles

Question 12

State the function of testosterone in males

Answer 12

stimulates sperm production and activates the prostate gland and seminal vesicles which produces the liquid that maintains the sperm

Question 13

Describe the negative feedback mechanism brought about by rising testosterone levels

Answer 13

decreases levels of testosterone being produced

Question 14

In females, how long does the menstrual cycle usually last?

Answer 14

28 days

Question 15

What occurs on day 1 of the menstrual cycle

Answer 15

the follicular phase
- development of follicle

Question 16

what is menstruation

Answer 16

the shedding of the endometrium lining of the uterus

Question 17

name the 2 stages of the menstrual cycle

Answer 17

follicular phase
luteal phase

Question 18

State the site of production and target tissue of FSH in females

Answer 18

pituitary gland

follicles within the ovary

Question 19

State the function of FSH in females

Answer 19

stimulate the development of the follicle
- stimulates it to release oestrogen

Question 20

State the site of production and target tissue of oestrogen in females

Answer 20

follicle within ovary

endometrium of uterus
cervix
pituitary gland

Question 21

State the function of oestrogen in females

Answer 21

stimulates rapid growth of the endometrium layer of uterus
Thins cervical mucus

Question 22

What happens when oestrogen levels peak in the body

Answer 22

Peak of oestrogen triggers surge in LH

Question 23

During which day of the cycle does ovulation usually occur

Answer 23

14

Question 24

What happensto the follicle in the luteal phase of the menstrual cycle

Answer 24

follicle stays in ovary and develops into a corpus luteum which secretes progesterone

Question 25

State the site of production and target tissue of progesterone in females

Answer 25

corpus luteum within ovary

Endometrium of uterus

Question 26

State the function of progesterone in females

Answer 26

promotes further development and vascularisation

Question 27

what is vascularisation

Answer 27

development of blood vessels

Question 28

Why is vascularisation important

Answer 28

it prepares endometrium for implantation if fertilisation occurs

Question 29

Name ovarian hormones

Answer 29

oestrogen
progesterone

Question 30

Name pituitary gland hormones

Answer 30

Follicle-stimulating hormone
Luteal hormone

Question 31

What happens when the corpus luteum degenerates

Answer 31

progesterone drops
menstruation
next cycle

Question 32

Describe the effect of fertilisation on the corpus luteum

Answer 32

LH remains
corpus luteum maintained
progesterone stays high
endometrium maintained