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Radiation risk in radiographers — DOccMed MCQ

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ModerateOccupational DiseaseRadiation risk in radiographersDOccMed

A 36-year-old radiographer asks about the cancer risk from her occupational radiation exposure. She wears a dosimeter badge and her annual dose has been consistently below 5 mSv. What is the most appropriate response?

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Correct answer: A — At doses consistently below statutory limits, the additional cancer risk from occupational exposure is very small, but radiation protection principles of justification, optimisation, and dose limitation should continue to be applied

The linear no-threshold model assumes that any radiation dose carries some additional cancer risk, but at doses well below statutory limits the additional risk is very small. ALARP principles should continue to be applied. Annual doses below 5 mSv are well within the 20 mSv annual dose limit for classified workers.

Reference: Ionising Radiations Regulations 2017; ICRP