單項(xiàng)選擇題

某病人因長(zhǎng)期臥床,骶尾部皮膚紅腫、破潰,護(hù)士給予紅外線燈照射創(chuàng)面,燈距和照射時(shí)間為()

A.30-50cm,20-30min
B.30-50cm,30-60min
C.50-60cm,20-30min
D.50-60cm,30-60min

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