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Which of the following are true regarding dosimetry? a. Kerma takes into account the type of tissue being irradiated b. The absorbed dose is measured in grays (Gy) c. The equivalent dose takes into account the radiation weighting factor (wR) d. The effective dose is measured in Gy e. 1 Gy = 1J g-1 |
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Answer» a. False. Kerma is the kinetic energy of the secondary electrons released per unit mass of the irradiated material. It does not factor in the type of material being irradiated. b. True. c. True. Equivalent dose = absorbed dose radiation weighting factor (wR). It takes into account the absorbed dose and the type of radiation, e.g. X-ray, gamma ray or beta particle. d. False. The effective dose is measured in sieverts (Sv) e. False. 1 Gy = 1 J kg-1 |
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