IRMER Regulations — MFDS Part 1 MCQ
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Correct answer: D — The entitled registered healthcare professional who refers the patient to the practitioner and supplies relevant clinical information
The referrer is the registered healthcare professional entitled by the employer to refer an individual to the IR(ME)R practitioner. The referrer must supply sufficient relevant clinical information for the practitioner to decide whether the exposure is justified. The person performing the exposure is acting as an operator, so B is incorrect. The patient is the individual exposed, not a duty holder. D describes the IR(ME)R practitioner, whose principal responsibility is justification; one dentist may hold both roles, but the functions remain distinct. The radiation protection adviser in E advises on occupational radiation protection under separate legislation and is not, by virtue of that appointment, the referrer.
Reference: Department of Health and Social Care, Guidance to the Ionising Radiation (Medical Exposure) Regulations 2017, Regulation 2: Referrer and Regulation 10(5), updated 2024. https://www.gov.uk/government/publications/ionising-radiation-medical-exposure-regulations-2017-guidance/guidance-to-the-ionising-radiation-medical-exposure-regulations-2017