(a) A cancer patient is exposed to rays from a 5000-Ci 60 Co transillumination unit for...

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(a) A cancer patient is exposed to γ rays from a 5000-Ci 60Co transillumination unit for 32.0 s. The γ rays are collimated in such a manner that only 1.00% of them strike the patient. Of those, 20.0% are absorbed in a tumor having a mass of 1.50 kg. What is the dose in rem to the tumor, if the average γ energy per decay is 1.25 MeV? None of the s from the decay reach the patient.

(b) Is the dose consistent with stated therapeutic doses?

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