Thyroxin Feedback Loops - Low Metabolic Rate

Question 1

Step 1

Answer 1

1. Low metabolic rate stimulates the pituitary to release more TSH

Question 2

Step 2

Answer 2

2. Release of TSH stimulates the thyroid to release more thyroxin into the blood

Question 3

Step 3

Answer 3

3. High thyroxin levels increase the metabolic rate until it becomes normal

Question 4

Step 4

Answer 4

4. Normal metabolic rate stimulates the pituitary to stop the high secretion of TSH