Exam-style question
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Why is the choice of half-life important for radioactive implants?.
- A.A longer half-life ensures the implant remains effective for a shorter time.
- B.A shorter half-life allows for quicker decay and reduced exposure time.
- C.Half-life does not affect the treatment outcome.
- D.A longer half-life increases the risk of implant removal.
Model answer
What a good answer should say
- A shorter half-life allows for quicker decay and reduced exposure time.
Explanation
Why this works
Choosing a suitable half-life ensures that the radioactive material decays quickly enough to minimize radiation exposure to the patient while still being effective during treatment.
Common mistake
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