A.1mg/L
B.3mg/L
C.5mg/L
D.10mg/L
E.20mg/L
[单选题]正常成人每天约排出A.1mg铁B.2mg铁C.3mg铁D.4mg铁E.5mg铁
[填空题] 当水样中硫离子(S2-)含量大于5mg∕L,铁、铝含量大于3mg∕L或颜色太深时,应事先用()脱色处理(每L水加20mL),并煮沸10min后过滤。如颜色仍不消失,可于100mL水样中加()然后蒸干,将干涸物用蒸馏水溶解后进行测定。
[单选题]蛋白尿指尿蛋白定量超过A.5mg/LB.10mg/LC.50mg/LD.80mg/LE.100mg/L
[单选题]超敏C反应蛋白检测方法的灵敏度应等于或小于A.10mg/LB.5mg/LC.3mg/LD.1mg/LE.0.3mg/L
[单选题]地表水五日生化需氧量为多少时表明水源已经污染( )A.3mg/LB.5mg/LC.6mg/LD.9mg/LE.10mg/L
[单选题]注射部位皮肤消毒时,碘伏溶液的浓度为A.5mg/LB.50mg/LC.500mg/LD.5000mg/LE.50000mg/L
[单选题]血浆D-D含量参考值为A.<20mg/LB.<10mg/LC.<5mg/LD.<1mg/LE.<0.5mg/L
[单选题]淡水池塘主养鱼类的氧阈一般为()A.0.2~0.8mg/LB.1mg/L左右C.1~2mg/LD.2~5mg/L
[单选题]罐头用水硝酸盐的含量应在多少以下A.1mg/kgB.2mg/kgC.3mg/kgD.4mg/kgE.5mg/kg
[单选题]异丙酚静脉麻醉的诱导平均剂量A.1mg/kgB.2mg/kgC.5mg/kgD.3mg/kgE.4mg/kg