A patient was exposed to a dose of more than 5,000 rads of radiation during a terrorist attack. The patient's skin will eventually show what manifestation?
A) Erythema
B) Ecchymosis
C) Desquamation
D) Necrosis
Ans: D
Feedback:
Necrosis of the skin will become evident within a few days to months at doses of more than 5,000 rads. With 600 to 1,000 rads, erythema will occur; it can disappear within hours and then reappear. At greater than 1,000 rads, desquamation (radiation dermatitis) of the skin will occur. Ecchymosis does not occur.
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