A 75 kg patient swallows a 30 micro ci beta emitter wtih a, Ask an Expert

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A 75 kg patient swallows a 30 micro Ci beta emitter wtih a half life of 5 days. The beta partiles are emitted with an average energy of .35MeV. Ninety percent of the beta particles are absorbed within the patient's body and ten percent escape. What dose equivalent does the patient recieve?

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