A.10%~20%
B.20%~30%
C.30%~40%
D.40%~50%
E.50%~60%
[单选题]早产儿的常用氧气浓度为()A . 10%~20%B . 20%~30%C . 30%~40%D . 40%~50%E . 50%~60%
[单选题]早产儿的常用氧气浓度为A.10%~20%B.20%~30%C.30%~40%D.40%~50%E.50%~60%
[单选题]早产儿室温一般在A.18~20 ℃B.24~26 ℃C.26~28 ℃D.30~32 ℃E.38~40 ℃
[单选题]酒精湿化氧气的酒精浓度一般选取A.10%~20%B.20%~30%C.30%~50%D.50%~60%E.60%~80%
[单选题]重度缺氧患儿的给氧浓度为A.20~30%B.30~40%C.40~50%D.50~60%E.60~70%
[单选题]劳务报酬的税率为A.10%B.20%C.30%D.40%
[单选题]远红外干燥可节约电A.10%~20%B.20%~30%C.20%~40%D.20%~50%E.20%~60%
[单选题]酒渣鼻多发于A.10~20岁B.30~50岁C.10~40岁D.20~30岁E.50~60岁
[单选题]早产儿室的室内温度是A.16~18℃B.18~20℃C.20~22℃D.22~24℃E.24~26℃
[单选题]手术室常用甲醛熏蒸消毒,甲醛的最宜浓度为( )A.10%B.20%C.30%D.40%E.50%