2.49 Biological consequences of smoking
Exam question
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Which substance in tobacco smoke is addictive?
(1)Total for this question: 1 mark
2(g) GAS EXCHANGE · EXAM QUESTIONS
2.49 Biological consequences of smoking
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2.49 Biological consequences of smoking
Exam question
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Which substance in tobacco smoke reduces the oxygen-carrying capacity of the blood?
(1)Total for this question: 1 mark
2.49 Biological consequences of smoking
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Which substance in tobacco smoke contains carcinogens?
(1)Total for this question: 1 mark
2.49 Biological consequences of smoking
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Which lung disease involves breakdown of alveolus walls?
(1)Total for this question: 1 mark
2.49 Biological consequences of smoking
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Explain how carbon monoxide in cigarette smoke affects the body.
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Total for this question: 3 marks
2.49 Biological consequences of smoking
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Explain why smokers often have a "smoker’s cough".
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Total for this question: 3 marks
2.49 Biological consequences of smoking
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Describe how tar causes lung cancer.
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Total for this question: 2 marks
2.49 Biological consequences of smoking
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Explain how smoking can lead to emphysema.
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Total for this question: 3 marks
2.49 Biological consequences of smoking
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Explain how smoking increases the risk of coronary heart disease.
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Total for this question: 3 marks
2.49 Biological consequences of smoking
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Explain why smoking during pregnancy can lead to a baby with a low birth mass.
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Total for this question: 2 marks
2.49 Biological consequences of smoking
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Lung cancer deaths per 100 000 men per year Cigarettes per day Deaths 0 10 1–14 78 15–24 127 25 or more 224 Illustrative data, not from a real investigation. The table shows the risk of lung cancer for smokers and non-smokers. Describe the relationship.
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Total for this question: 3 marks
2.49 Biological consequences of smoking
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Lung cancer deaths per 100 000 men per year Cigarettes per day Deaths 0 10 1–14 78 15–24 127 25 or more 224 Illustrative data, not from a real investigation. Using the table, calculate how many times greater the death rate is for men who smoke 25 or more cigarettes a day than for non-smokers.
(2)timesTotal for this question: 2 marks
2.49 Biological consequences of smoking
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Lung cancer deaths per 100 000 men per year Cigarettes per day Deaths 0 10 1–14 78 15–24 127 25 or more 224 Illustrative data, not from a real investigation. A student says the data in the table prove that smoking causes lung cancer. Evaluate this claim.
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Total for this question: 3 marks
2.49 Biological consequences of smoking
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Explain why non-smokers who live with smokers have a higher risk of lung disease.
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Total for this question: 2 marks
2.49 Biological consequences of smoking
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Suggest why a smoker gets out of breath more quickly than a non-smoker when climbing stairs.
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Total for this question: 2 marks