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( )

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

正确答案是A