在红细胞ABO血型鉴定过程中，对ABO标准血清亲和力的要求为 ["5s内出现凝集、3min时凝集块大于1mm2","10s内出现凝集、5min时凝集块大于1mm2","15s内出现凝集、3min时凝集块大于1mm2","20s内出现凝集、5min时凝集块大于1mm2"]
碱中毒时()酸中毒时() ["A．离子钙水平升高","B．离子钙水平下降","C．离子钠水平下降","D．离子钾水平无影响","E．离子钠水平升高"]
灭菌
用试管法测ABO血型时，红细胞生理盐水悬液浓度规定为 ["1%","2%","5%","10%"]
外科感染
医院感染
