7 - C&C - Hormones

Question 1

Where are hormones produced?

Answer 1

endocrine glands

Question 2

How are hormones transported from endocrine glands to their target organs?

Answer 2

carried by blood

Question 3

How is adrenaline produced?

Answer 3

by the adrenal gland

Question 4

How does adrenaline prepare the body for fight or flight?

Answer 4

increases heart rate and blood pressure
- increased blood flow to muscles & glucose production for increased respiration

Question 5

How does Thyroxine control metabolic rate?

Answer 5

trh stimulates pituitary gland to release tsu
tsh stimulates thyroid gland to release thyroxine so blood hormones goes normal

Question 6

What are the stages of the Menstrual Cycle?

Answer 6

1 - 1 menstruation starts
2 - 4-14 uterus lining repaired
3 - 14 egg developes and released
4 - 14-28 uterus lining maintained & will break down if unfertilised

Question 7

What does Oestrogen do?

Answer 7

released by ovaries
causes lining of uterus to thicken
stimulates LH

Question 8

What does Progesterone do?

Answer 8

released by corpus luteum after oc
maintains lining of uterus
inhibits (stop) release of fsh and lh

Question 9

How does contraception influence the menstrual cycle?

Answer 9

oestrogen can be used to prevent eggs releasing
progesterone can stimulate production of cervical mucus, prevents sperm

Question 10

Hormonal methods of Contraception

Question 11

Barrier methods of Contraception

Answer 11

condom
diaphragms

Question 12

Use of hormones in ART, IVF & clomifene therapy

Answer 12

clom - released more fsh and lh
ivf - fertilise egg in a lab