清创缝合时常用的伤口冲洗消毒液为() ["A、50%酒精","B、3%双氧水","C、0.9%生理盐水","D、0.5%碘伏","E、0.5%PAA"]
某项投资5年后可得收益40000元,按年利率8%复利计算,其现值应当为()。 ["31680元","27223元","27300元","37240元"]
当病人牙关紧闭时最好用哪种人工呼吸法()。 ["A、口对口人工呼吸法","B、仰卧压胸法","C、口对鼻人工呼吸法"]
下列哪种消毒液属于灭菌剂,具有广谱、高效、杀菌作用,用于医疗器械和精密仪器的消毒灭菌() ["2%戊二醛","3%过氧化氢","0.1%新洁尔灭","0.3-0.5%碘伏"]
张先生每年年末存人银行3000元,年利率6%,按年复利,则5年后本利和为()。FVA6%,5=5.6371 ["11502元","10274元","16911元","21278元"]
制酵药