(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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbcfb6c72-9594-43e7-a56d-0a4dba84921c%2Fa0f6dead-5b41-44fc-927d-f20718048ef1%2Fkuvnsb9_processed.jpeg&w=3840&q=75)
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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