OTDR主要技术指标中的后向散射系数:20-80dB,在() A.4μs B.3μs 发布时间:2018-03-01 04:36 │ 来源:www.tikuol.com 题型:单项选择题 问题: OTDR主要技术指标中的后向散射系数:20-80dB,在()A.4μsB.3μsC.2μsD.1μs
题型:单项选择题 男婴,6个月。因呕吐腹泻3天,加剧一天,尿少来院急诊,体温38℃,眼窝前囟显凹,皮肤弹性较差,血Na+140mmol/L,动脉血气:pH7.2,BE12mmol/L。最适宜处理是A.禁食6小时,以后牛奶喂养B.静注25%葡萄糖溶液C.静脉注射速尿D.2∶3∶1溶液静滴E.1.4%碳酸氢钠静滴 查看答案
题型:单项选择题 The nurse is teaching a client recently diagnosed with myasthenia gravis. The nurse should teach the client that myasthenia gravis is caused byA.genetic dysfunction.B.upper and lower motor neuron lesions.C.decreased conduction of impulses in an upper motor neuron lesion.D.a lower motor neuron lesion. 查看答案