Exam-style question
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What is irradiation in the context of radiation safety?.
- A.The presence of radioactive material on surfaces or in the body
- B.Exposure to radiation from a radioactive source
- C.The process of shielding against radiation
- D.The measurement of radiation levels in an area
Model answer
What a good answer should say
- Exposure to radiation from a radioactive source
Explanation
Why this works
Irradiation is defined as the exposure of an object or person to radiation from a radioactive source, without the radioactive material being present on the exposed object or person. This is distinct from contamination, which involves the actual presence of radioactive materials.
Irradiation is applicable in medical treatments, such as cancer therapy, where patients are exposed to radiation to kill cancer cells. Thus, irradiation focuses on the exposure aspect, while contamination deals with the presence of radioactive substances.
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