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(Internal Exposure: Internal Radiation Dose) Given a 20µCi of 32P (T/2 = 14.3 days) is delivered intravenously of a reference adult (70 kg). The biological half-life throughout the body is 19 days. Calculate: a. the absorbed dose constant (express your answer in erg/g t and Gy/t) for P-32 irradiating the whole body uniformly b. total number of transformations that occur in the total body as a source organ; assume that P-32 is metabolized wherein 40% is uniformly distributed to the whole body thus the initial activity distributed in the total body is q, = 0.40 × 20µCi = 8µCi %3D c. the total body dose. where t refers to the transformation number. Note: 1 Joule = 107erg

(Internal Exposure: Internal Radiation Dose) Given a 20µCi of 32P (T/2 = 14.3 days) is delivered intravenously of a reference adult (70 kg). The biological half-life throughout the body is 19 days. Calculate: a. the absorbed dose constant (express your answer in erg/g t and Gy/t) for P-32 irradiating the whole body uniformly b. total number of transformations that occur in the total body as a source organ; assume that P-32 is metabolized wherein 40% is uniformly distributed to the whole body thus the initial activity distributed in the total body is q, = 0.40 × 20µCi = 8µCi %3D c. the total body dose. where t refers to the transformation number. Note: 1 Joule = 107erg

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(Internal Exposure: Internal Radiation Dose) Given a 20µCi of 32p (T/2 = 14.3 days) is delivered intravenously of a reference adult (70 kg). The biological half-life throughout the body is 19 days. Calculate: a. the absorbed dose constant (express your answer in erg/g t and Gy/t) for P-32 irradiating the whole body uniformly b. total number of transformations that occur in the total body as a source organ; assume that P-32 is metabolized wherein 40% is uniformly distributed to the whole body thus the initial activity distributed in the total body is q, = 0.40 × 20µCi = 8µCi c. the total body dose. where t refers to the transformation number. Note: 1 Joule = 107erg
Transcribed Image Text:(Internal Exposure: Internal Radiation Dose) Given a 20µCi of 32p (T/2 = 14.3 days) is delivered intravenously of a reference adult (70 kg). The biological half-life throughout the body is 19 days. Calculate: a. the absorbed dose constant (express your answer in erg/g t and Gy/t) for P-32 irradiating the whole body uniformly b. total number of transformations that occur in the total body as a source organ; assume that P-32 is metabolized wherein 40% is uniformly distributed to the whole body thus the initial activity distributed in the total body is q, = 0.40 × 20µCi = 8µCi c. the total body dose. where t refers to the transformation number. Note: 1 Joule = 107erg
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