外科学_外科休克

试卷预览

• 41休克时多器官出现功能不全，哪一项顺序正确

  A.先出现呼吸功能不全，继则循环系统不稳定，再出现肝、消化道、肾功能不全乃至衰竭

  B.先有循环系统不稳定，继之肝脏、消化道、肾衰竭，最后呼吸功能不全

  C.先有肝脏、消化道、肾功能不全乃至衰竭，继之呼吸功能不全，随之循环系统不稳定

  D.先有循环系统不稳定，随之出现呼吸功能不全，继之出现肝脏、消化道、肾脏功能不全乃至衰竭

  E.多器官功能不全同时出现

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• 42成人24小时尿量少于多少称为少尿

  A.100ml

  B.200ml

  C.400ml

  D.600ml

  E.800ml

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• 43下列哪项不是休克的一般监测项目

  A.精神状态

  B.皮肤色泽

  C.脉率

  D.CVP

  E.尿量

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• 44Which of the following is not the common feature shared by all types of shock

  A.BP reduction

  B.CVP reduction

  C.Pulse pressure reduction

  D.Urine reduction

  E.Sharp reduction in effective circulation volume

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• 45Effective circu lation volume refers to

  A.Blood volume sufficient for maintaining normal metabolism

  B.Total blood volume including that in liver，spleen and bone marrow reservoir

  C.Total blood volume including the stasis volume in the capillaries

  D.Total blood volume in the body

  E.The circulating blood volume passing through the cardiovascular system per unit time

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• 46The signifIcance of BP reductionin shock is

  A.The only diagnostic basis

  B.The most common clinical presentation of shock

  C.The main indicator for assessing the degree of shock

  D.An important indicator of histocyte hypoxia

  E.All above

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• 47Which of the following manifestations is not the typical feature of the hypovolemic shock

  A.low cardiac output

  B.low venou spressure

  C.low blood pressure

  D.low peripheral vascular resistance

  E.increased pulse rate

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• 48Which of the following causes listed is not contributed to the impairment of cardiac function in shock patient

  A.inadequate perfusion of coronary artery

  B.release of catecholamine in large amounts

  C.hypoxia

  D.metabolic acidosis

  E.hyperkalemia

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• 49早期低血容量性休克的临床表现有

  A.脉率增快

  B.脉压缩小

  C.烦躁不安

  D.血压下降

  E.皮肤苍白

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• 50低血容量性休克的血流动力学改变为

  A.CVP降低

  B.回心血量减少

  C.心排血量降低

  D.PCWP降低

  E.PAP增高

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