Question detail
What is the primary reason radiotherapy must be targeted?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Hazards and uses of radioactive emissions and of background radiation
Question
- A. To increase the effectiveness of the treatment
- B. To reduce damage to healthy tissue
- C. To ensure the patient feels comfortable
- D. To minimize the cost of treatment
Answer
The correct answer is B: To reduce damage to healthy tissue.
Explanation
The correct answer is B: To reduce damage to healthy tissue. This supports the learning objective "Explain why radiotherapy must be targeted to reduce damage to healthy tissue." in Uses of nuclear radiation because it uses the correct atomic and nuclear radiation relationship for Hazards and uses of radioactive emissions and of background radiation. The other options are less suitable because they do not match the required Uses of nuclear radiation idea: To increase the effectiveness of the treatment; To ensure the patient feels comfortable; To minimize the cost of treatment.
Common mistake
Misunderstanding Radiotherapy Targeting
Students often think that radiotherapy can be applied broadly without concern for healthy tissue damage.
Emphasize that radiotherapy must be precisely targeted to minimize damage to surrounding healthy tissues while effectively destroying cancer cells.
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