Solved: A 55-kg patient is to be given a medical test
Chapter 31, Problem 76GP(choose chapter or problem)
A \(55-k g\) patient is to be given a medical test involving the ingestion of \({ }_{43}^{99 m} T c\) (Section 31–7) which decays by emitting a \(140-k e V\) gamma. The half-life for this decay is 6 hours. Assuming that about half the gamma photons exit the body without interacting with anything, what must be the initial activity of the Tc sample if the whole-body dose cannot exceed \(50 \text { mrem }\)? Make the rough approximation that biological elimination of Tc can be ignored.
Equation Transcription:
Text Transcription:
55-kg
4399mTc
140-keV
50 mrem
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