硅胶管锁骨下静脉输液暂时停用时,处理方法错误的是( )
A. 用0.4%枸橼酸钠生理盐水1~2ml封管
B. 用无菌静脉帽塞住针栓孔
C. 每日更换穿刺处敷料
D. 如有血凝块用注射器把血凝块推人血管
E. 如确定已堵塞可边抽边拔管
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患者输血后1周出现轻度发热伴乏力,血胆红素升高,经查系Rh系统血管外溶血反应,导致该反应的抗原及其相应抗体主要为( )
A. C
B. e
C. D
D. d
E
患者,女,18岁。因患白血病需立即输入新鲜血200ml,医生紧急决定采用直接输血法,应用3.8%枸橼酸钠多少最正确( )
A. 5 ml
B. 12 ml
C. 15 ml
D. 20 ml
E. 25 ml
颈外静脉输液适应证应除外( )
A. 周围循环衰竭需测量中心静脉压
B. 临时放人心内起搏器
C. 长期滴注高浓度、刺激性强的药物
D. 不能进食,需供给肠道外高营养者
E. 长期输液,周围静脉不易穿刺
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