题目内容

女性,45岁,右上腹绞痛6小时,伴高热,皮肤巩膜发黄。急诊行胆囊切除、胆总管探查、T管引流术。T管拔管前先试行夹管1~2天,夹管期间应注意观察的内容是()。

A. 饮食、睡眠
B. 腹痛、发热、黄疸
C. 大便的颜色
D. 血压和脉搏
E. 引流口有无渗液

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For many years marine centrifuges were designed for () operation, that is the machines were run for a period during which solids accumulated in the bowlThe machine was stopped when the accumulated solids began to impair its performance.

A. purifying
B. batch
C. long period
D. temporary

固井质量检查测井中自然伽马测井的主要用途是()。

A. 划分泥质含量
B. 校正射孔层位
C. 评价固井质量
D. 测量水泥返深

由三层材料组成的复合大平壁,三层材料的导热系数为常数,并依次由小到大,在稳态情况下通过各层材料的热流密度()

A. 相等
B. 由大到小
C. 由小到大
D. 不确定

何谓完全定位?

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