19 exam-style questions. Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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3.43 Skin and temperature regulation
Exam question
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Explain how sweating cools the body.
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Total for this question: 3 marks
3.43 Skin and temperature regulation
Exam question
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Explain how vasodilation helps cool the body.
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Total for this question: 3 marks
3.43 Skin and temperature regulation
Exam question
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Explain how the body reduces heat loss in cold conditions.
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Total for this question: 3 marks
3.43 Skin and temperature regulation
Exam question
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Explain how shivering helps to raise body temperature.
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Total for this question: 2 marks
3.43 Skin and temperature regulation
Exam question
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Which part of the brain monitors blood temperature?
(1)Total for this question: 1 mark
3.43 Skin and temperature regulation
Exam question
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Explain why sweating cools the body less on a humid day.
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Total for this question: 2 marks
3.43 Skin and temperature regulation
Exam question
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Explain why blood vessels do not move up or down in the skin during vasodilation.
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Total for this question: 2 marks
3.43 Skin and temperature regulation
Exam question
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Illustrative data from a treadmill run in a warm room.
| Time / min | Core temperature / °C | Skin temperature / °C |
|---|---|---|
| 0 | 37.0 | 33.0 |
| 10 | 37.6 | 34.5 |
| 20 | 38.1 | 35.5 |
| 30 | 38.2 | 35.6 |
| 40 | 38.2 | 35.6 |
Plot the core and skin temperatures on the same axes. Join your points with straight lines using a ruler.
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Total for this question: 6 marks
3.43 Skin and temperature regulation
Exam question
Mark points shown after marking
| Time / min | Core temperature / °C | Skin temperature / °C |
|---|---|---|
| 0 | 37.0 | 33.0 |
| 10 | 37.6 | 34.5 |
| 20 | 38.1 | 35.5 |
| 30 | 38.2 | 35.6 |
| 40 | 38.2 | 35.6 |
Explain why core temperature levels off after 20 minutes.
(3)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 3 marks
3.43 Skin and temperature regulation
Exam question
Mark points shown after marking
| Time / min | Core temperature / °C | Skin temperature / °C |
|---|---|---|
| 0 | 37.0 | 33.0 |
| 10 | 37.6 | 34.5 |
| 20 | 38.1 | 35.5 |
| 30 | 38.2 | 35.6 |
| 40 | 38.2 | 35.6 |
Explain why skin temperature rises during the run.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
3.43 Skin and temperature regulation
Exam question
Mark points shown after marking
| Time / min | Core temperature / °C | Skin temperature / °C |
|---|---|---|
| 0 | 37.0 | 33.0 |
| 10 | 37.6 | 34.5 |
| 20 | 38.1 | 35.5 |
| 30 | 38.2 | 35.6 |
| 40 | 38.2 | 35.6 |
Calculate the rise in core temperature in the first 20 minutes.
(2)Total for this question: 2 marks
3.43 Skin and temperature regulation
Exam question
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Explain why marathon runners risk dehydration.
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Total for this question: 2 marks
3.43 Skin and temperature regulation
Exam question
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Suggest why elderly people are more at risk of hypothermia.
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Total for this question: 2 marks
3.43 Skin and temperature regulation
Exam question
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Explain why a fall in body temperature to 34 °C is dangerous.
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Total for this question: 2 marks
3.43 Skin and temperature regulation
Exam question
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Describe the role of the fat layer under the skin.
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Total for this question: 2 marks
