Hormonal Coordination

Question 1

Name one hormone controlled by negative feedback

Answer 1

thyroxine

Question 2

function of thyroxine

Answer 2

stimulates basal metabolic rate, so it is important for growth and development

Question 3

function of adrenaline

Answer 3

-increases heart rate
-boosts delivery of oxygen
-glucose sent to brain and muscles
-prepares body for ‘fight or flight’

Question 4

disadvantages of IVF (in-vitro fertilisation)

Answer 4

-emotionally and physically stressful
-low success rate
-can lead to risky multiple births

Question 5

methods of non-hormonal contraception

Answer 5

-barrier methods
-copper IUD
-spermicidal agents
-sterilisation
-abstinence

Question 6

methods of hormonal contraception

Answer 6

-oral contraceptives
-injection
-implant
-skin path
-IUD

Question 7

function of oestrogen

Answer 7

causes lining of the uterus wall to thicken

Question 8

function of LH (luteinising hormone)

Answer 8

stimulates release of an egg

Question 9

Function of FSH (follicle stimulating hormone)

Answer 9

causes eggs to mature in ovaries, and stimulates ovaries to produce oestrogen

Question 10

what is the cause of type 2 diabetes

Answer 10

body cells no longer respond to insulin

Question 11

what is the cause of type 1 diabetes

Answer 11

pancreas produces insufficient insulin

Question 12

which hormones are released when blood sugar levels are:
a) too high
b) too low

Answer 12

a) insulin
b) glucagon

Question 13

which organ monitors and controls blood glucose levels/concentration

Answer 13

pancreas

Question 14

where is the pituitary gland

Answer 14

the brain

Question 15

what is the main difference between the effects of endocrine and nervous system

Answer 15

endocrine system effects are slower but last for longer

Question 16

what is the endocrine system

Answer 16

system of glands that secrete (release) hormones into the bloodstream