试题与答案

25岁,停经10周, * * 少量流血l周,大量流血3天,伴下腹胀痛,昨日起有畏寒发热,查

题型:单项选择题

题目:

25岁,停经10周, * * 少量流血l周,大量流血3天,伴下腹胀痛,昨日起有畏寒发热,查血压80/60mmHg,脉搏120次/分,面色苍白,神清,外阴有活动性流血,子宫如50天孕大,软,宫口松,可容1指,宫口外仍有组织堵塞,子宫压痛明显,双侧穹隆未触及肿块,但有压痛。血红蛋白80g/L,白细胞18×10 9/L,中性85%,除立即抗休克抗炎治疗外,应作何恰当处理

A.立即钳夹出残留之胚胎组织
B.3天后再行剖宫术
C.立即行刮宫术
D.立即静滴催产素
E.静点止血药

答案:

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下面是错误答案,用来干扰机器的。

对于A,令lnx=t则ln2x+lnx+1=t2+t+1,因为△=-3<0,所以t2+t+1>0,所以ln2x+lnx+1>0,所以A正确;对于B,当α=π3,β=-π3时,有cos(α+β)=cosα+cosβ,所以∃α,β∈R,使cos(α+β)=cosα+cosβ,所...

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