B5b- hormonal control side 1

Question 1

What does testosterone do? (2)

Answer 1

Main male reproductive hormone
Stimulates sperm production in testes

Question 2

What does oestrogen do? (1)

Answer 2

Main female reproductive hormone produced in the ovaries

Question 3

What does FSH do? (2)

Answer 3

Matures an egg in the ovaries
Stimulates ovary to produce oestrogen

Question 4

What does LH do?

Answer 4

Stimulates a release of an egg (ovulation)

Question 5

What does progesterone do? (2)

Answer 5

Maintains uterus lining
Inhibits release of LH and FSH

Question 6

What’s the role of the pituitary glands hormones? (2)

Answer 6

‘The master gland’
Secretes several hormones into the blood to stimulate other glands to release hormones

Question 7

What’s the role of the thyroid’s hormones?

Answer 7

Controls metabolic rate

Question 8

Whats the role of the pancreas’ hormones?

Answer 8

Controls glucose levels

Question 9

Whats the role of the adrenal glands hormones?

Answer 9

Prepares body for stress

Question 10

Whats the role of the ovaries hormomes?

Answer 10

Involved in the menstrual cycle

Question 11

Whats the role of the testes hormones?

Answer 11

Involved in sperm production

Question 12

What is homeostatis?

Answer 12

The regulation of internal conditions of a cell/ organism to maintain optimum conditions for the cell to function

Question 13

What organ monitors blood glucose concentration?

Answer 13

Pancreas

Question 14

What happens if the blood glucose concentration is to high? (3)

Answer 14

Pancreas produces insulin
Glucose moves from the blood to cells
In liver and muscle cells excess glucose is converted to glycogen for storage

Question 15

Blood glucose too low? (2)

Answer 15

Pancreas produces glucagon
This causes the glycogen to be converted into glucose and released into blood

Question 16

TYPE ONE DIABETES

Answer 16

pancreas fails to produce enough insulin leading to uncontrolled blood levels
TREATMENT
insulin injections

Question 17

TYPE TWO DIABETES

Answer 17

Obesity is a risk factor. Body does not respond to insulin.
TREATMENT
changing diet and increasing exercise

Question 18

oral contraceptive (pill)

Answer 18

Contains hormones to inhibit FSH so no eggs mature

Question 19

Injection/implant/patch

Answer 19

releases progesterone slowly to inhibit the maturation and release of eggs

Question 20

Barrier methods ee. condoms/ diaphragms

Answer 20

prevent sperm from reaching egg

Question 21

intrauterine devices

Answer 21

prevent an implantation of embryo

Question 22

spermicidal agents

Answer 22

kill or disable sperm

Question 23

abstinence

Answer 23

avoiding sex when an egg may be in the oviduct

Question 24

surgery

Answer 24

male or female sterilization

Question 25

VITRO FERTILIZATION (IVF) (4)

Answer 25

eggs collected from mother (after being given FSH and LH to stimulate maturation of multiple egg)
fertilized by fathers sperm in lab
fertilized eggs develop into embryos
one or two embryo’s inserted into mothers uterus

Question 26

Disadvantages of IVF (3)

Answer 26

emotional and physical stress
low success rates
multiple births risk to mother and babies