[名词解释] 选择性易损性

VAP 护理白血病患者最重要的是() ["A．注意出血","B．高热处理","C．预防感染","D．观察病情变化","E．记录药物反应"] 上消化道大出血伴休克时的首要护理措施为() ["A．准备急救用品和药物","B．建立静脉输液途径","C．去枕平卧头偏一侧","D．迅速配血备用","E．按医嘱应用止血药"] NBNA 少尿是指24小时尿量少于() ["A．2000mL","B．1000mL","C．800mL","D．400mL","E．100mL"] 选择性易损性