单项选择题

患者男，胃大部切除术后10小时。患者正在静脉输液，出现面色苍白，四肢湿冷，脉细速，胃肠减压瓶内有600ml鲜红色液体。护士首先应采取的措施是

A.急查血常规
B.经胃管注入去甲肾上腺素
C.患者平卧，加快输液速度
D.静脉滴注止血剂
E.配血，做好术前准备
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A model of the development of the information sciences is described and used to account for past events and predict future trends, particularly fifth and sixth generation priorities. The information sciences came into prominence as electronic device technology enabled the social need to cope with an increasingly complex world to be satisfieD.The paper provides a framework for the information sciences based on this logical progression of developments. It links this empirically to key events in the development of computing. The fifth generation development program with its emphasis on human-computer interaction and artificial intelligence, and the sixth generation research program with its emphasis on knowledge science are natural developments in the foci of attention indicated by the model.The fifth generation development program emphasizesA.the infrastructure of the computing industry.B.the logical progression of developments.C.human-computer interaction and artificial intelligencE.D.the social need to cope with an increasingly complex worlD.
A.The
B.the
C.
B.the
D.
C.human-computer
E.
D.the
单项选择题
患者男，45岁。行胃大部切除术后，进食后发生呕吐，呕吐物不含胆汁，可能并发
A.胃肠吻合口狭窄
B.近侧空肠段梗阻
C.远侧空肠段梗阻
D.倾倒综合征
E.十二指肠残端瘘
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