4.5.3.7 negative feedback (HT) Flashcards
1
Q
What hormone does the Thyroid gland produce?
A
Thyroxine
2
Q
What is the job of thyroxine?
A
Controls…
- How quickly your body uses energy (metabolic rate)
- How quickly it makes proteins and
- How sensitive it is to other hormones
3
Q
a) What is TSH and b) where is it produced?
A
a) Thyroid stimulating hormone
b) Pituitary Gland
4
Q
What does TSH stimulate?
A
The release of thyroxine from the thyroid gland
5
Q
If you do not have enough iodine in your diet, you make less….?……
A
Thyroxine
6
Q
If you do not produce enough thyroxine, how does your body respond?
A
Pituitary gland produces more TSH
7
Q
What causes a goitre in your neck?
A
Your pituitary gland producing more TSH, trying to make the thyroid (in neck) produce more thyroxine
8
Q
What is the effect of adrenaline?
A
Fight or Flight response
9
Q
Which glands produces Adrenalin?
A
Adrenal (on kidneys)
10
Q
What does adrenalin do blood glucose levels and heart rate?
A
Increases both
