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QUESTION: A 57-year-old man is exposed to radiation as a result of a disaster in a nuclear power plant. It is believed that he sustained significant whole body radiation, although the number of Grays is unknown. He is brought to the ED, his clothes are removed and his body is decontaminated. Two hours after the exposure he begins having nausea and vomiting. Which of the following is the best predictor of survival after radiation exposure?
A. Iodine level at 48 hours
B. Lymphocyte level over 48 hours
C. Monocyte level over 48 hours
D. Platelet levels over 24 hours
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