Exam-style question
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Why is it important for a medical tracer to have a suitable half-life?.
- A.To ensure it is detectable by imaging equipment
- B.To minimize the radiation dose to the patient
- C.To enhance the imaging resolution
- D.To reduce the cost of the tracer
Model answer
What a good answer should say
- To minimize the radiation dose to the patient
Explanation
Why this works
A suitable half-life ensures that the tracer remains in the body long enough to provide useful diagnostic information while minimizing the radiation dose to the patient, balancing effectiveness and safety.
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