The table shows the average cost of treating individuals with different types of cancer in the UK depending on their stage of diagnosis - Scottish Highers Human Biology - Question 2 - 2022
Question 2
The table shows the average cost of treating individuals with different types of cancer in the UK depending on their stage of diagnosis.
| Type of cancer | Average ... show full transcript
Worked Solution & Example Answer:The table shows the average cost of treating individuals with different types of cancer in the UK depending on their stage of diagnosis - Scottish Highers Human Biology - Question 2 - 2022
Step 1
A. Colon cancer is always the least expensive cancer to treat.
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Answer
This statement is incorrect because while colon cancer has the lowest cost at early stage diagnosis (£3000), other cancers have higher costs at late stage diagnosis.
Step 2
B. Lung cancer is always the most expensive cancer to treat.
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Answer
This statement is incorrect because while lung cancer has a high cost, it is not always the most expensive. For instance, ovarian cancer at late stage diagnosis costs more (£15000).
Step 3
C. Late stage diagnosis of ovarian cancer results in a 300% increase in the cost of treatment compared to early stage diagnosis.
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Answer
This statement is misleading. The cost of early stage diagnosis for ovarian cancer is £5000, while late stage is £15000. The increase is actually:
ext{Percentage Increase} = rac{15000 - 5000}{5000} imes 100 = 200\%.
Step 4
D. Early stage diagnosis of rectal cancer results in a 67% decrease in the cost of treatment compared to late stage diagnosis.
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Answer
This statement is correct. The cost for late stage rectal cancer is £12000, while early stage is £4000. The decrease is:
ext{Percentage Decrease} = rac{12000 - 4000}{12000} imes 100 = 66.67\%, which can be approximated to 67%.
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