试题与答案

男性,40岁,反复呕血4天入院,呕血量约900ml,入院时查体:血压80/50mmH

题型:单项选择题

题目:

男性,40岁,反复呕血4天入院,呕血量约900ml,入院时查体:血压80/50mmHg,脉搏145次/分,此时最正确的处理是

A.静脉应用神经垂体素

B.快速补液,纠正休克

C.急诊胃镜明确出血病因

D.静脉应用洛赛克

E.三腔二囊管压迫

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:[考点] 行列式的计算 x3的系数只要考察。所以x3前的系数为2。

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A.doctorB.playerC.writerD.inventor
小题2:
A.SoonB.AfterC.Later onD.Soon after
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B.精神发育迟滞

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D.精神分裂症

E.儿童期情绪问题

F.强迫症

G.品行障碍

H.孤独症

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