单项选择题
某病人因长期卧床,骶尾部皮肤红肿、破溃,护士给予红外线灯照射创面,灯距和照射时间为()。
A.30-50cm,20-30min
B.30-50cm,30-60min
C.50-60cm,20-30min
D.50-60cm,30-60min
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单项选择题
A.30-50cm,20-30min
B.30-50cm,30-60min
C.50-60cm,20-30min
D.50-60cm,30-60min
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