Therapeutic Radiographer Practice Questions - Radiographers Board Of Hong Kong Registration Assessment - Therapeutic Radiography Exam

Which of the following is true regarding the TG-51 calibration protocol for clinical reference dosimetry?

It utilizes an air-kerma calibration factor (Nk) It requires the use of a water calorimeter as the active detector It specifies reference dosimetry based on absorbed-dose-to-water calibration factor (Nd,w) It is only applicable to Cobalt-60 beams

Correct Answer:

It specifies reference dosimetry based on absorbed-dose-to-water calibration factor (Nd,w)

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