不符合流行性出血热少尿期处理原则的是 ["A．扩容","B．导泻和放血疗法","C．纠酸","D．血液透析","E．利尿"]
流行性出血热病人抗病毒治疗的时机在 ["A．低血压休克期","B．发热期","C．多尿期","D．少尿期","E．恢复期"]
流行性出血热发热期病人易发生 ["A．代谢性碱中毒","B．代谢性酸中毒","C．代谢性酸中毒、呼吸性碱中毒","D．呼吸性酸中毒","E．呼吸性碱中毒"]
引起流行性出血热早期休克的原因是 ["A．大出血","B．电解质紊乱","C．酸中毒","D．血管通透性增加使血容量下降","E．感染"]
流行性出血热的三大主征是 ["A．发热、休克、DIC","B．发热、休克、出血","C．出血、休克、肾损害","D．发热、休克、肾损害","E．发热、出血、肾功能损害"]
什么是数字信封技术？图示并说明数字信封工作过程
