GCSE Biology – Thyroxine and adrenaline
Learning Objectives
-I can explain the role and regulation of thyroxine in the body
-I can explain the role and regulation of adrenaline in the body
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Question 1 of 25
1. Question
What type of substance is thyroxine?
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Question 2 of 25
2. Question
What produces thyroxine in the body?
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Question 3 of 25
3. Question
Where is the thyroid gland?
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Question 4 of 25
4. Question
What does thyroxine play an important role in?
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Question 5 of 25
5. Question
What does the thyroid gland use to produce thyroxine?
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Question 6 of 25
6. Question
What does thyroxine control?
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Question 7 of 25
7. Question
How are thyroxine levels controlled?
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Question 8 of 25
8. Question
What type of process is negative feedback?
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Question 9 of 25
9. Question
What detects changes in thyroxine levels in the body?
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Question 10 of 25
10. Question
What happens if thyroxine levels decrease?
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Question 11 of 25
11. Question
What happens if thyroxine levels increase?
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Question 12 of 25
12. Question
If thyroxine levels have increased, what does the pituitary gland do?
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Question 13 of 25
13. Question
What is the thyroxine control loop called?
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Question 14 of 25
14. Question
What does TSH stand for?
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Question 15 of 25
15. Question
What does an increase in TSH cause?
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Question 16 of 25
16. Question
What does a decrease in TSH cause?
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Question 17 of 25
17. Question
What type of substance is ADH?
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Question 18 of 25
18. Question
What type of substance is adrenaline?
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Question 19 of 25
19. Question
What produces adrenaline in the body?
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Question 20 of 25
20. Question
When is adrenaline produced?
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Question 21 of 25
21. Question
What does adrenaline do?
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Question 22 of 25
22. Question
What does adrenaline increase the delivery of to the brain?
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Question 23 of 25
23. Question
How are levels of adrenaline controlled?
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Question 24 of 25
24. Question
Are adrenaline levels controlled by negative feedback?
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Question 25 of 25
25. Question
What is the name of the response caused by adrenaline?
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