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Old 10-03-2012
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Question Radiation injury !

A 35-year-old man who works at a facility processing highly radioactive substances accidentally receives a high, whole-body dose of
ionizing radiation estimated to be 1500 rads (15 gray). He dies 1 week later. At autopsy, histologic examination of the skin shows scattered, individual epidermal cells with shrunken, markedly eosinophilic cytoplasm and
pyknotic, fragmented nuclei. These morphologic changes most likely indicate which of the following processes?

(A) Apoptosis
(B) Coagulation necrosis
(C) Liquefaction necrosis
(D) Mutagenesis
(E) Tumor initiation
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Old 10-03-2012
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Histological exam indicates
A. Apoptosis


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Old 10-03-2012
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Default my answer :)

(A) Apoptosis
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Old 10-03-2012
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apoptosis...
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Old 10-03-2012
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apoptosis----pyknosis and karyolysis
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