上消化道出血最常见的病因是

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• 1Which of the following is not true about upper gastrointestinal (GI) bleeding

  A.Hematemesis and melena are the most common manifestations of an acute epi­sode of upper GI bleeding

  B.Melena can result when as little as 5mL of blood instilled into the upper GI tract

  C.Peptic ulcer is the most common cause of acute upper GI bleeding

  D.Patients more commonly bleed from duodenal ulcers than from gastric ulcers

  E.Endoscopy is the first line modality for identifying the source of upper GI bleeding

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• 2The upper gastrointestinal bleeding lesions are listed as following except

  A.Mallory-Weiss tears

  B.Hiatal Hernias

  C.Mickels’ diverticulum

  D.Peptic ulcers

  E.Dieulafoy’s lesion

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• 3A patient of upper gastrointestinal bleeding is suffering from shock,and what is the blood loss percent

  A.10%

  B.15%

  C.20%

  D.25%

  E.30%

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• 4在确定急性上消化道出血的原因时不合适的检查是

  A.急诊胃镜

  B.急诊X线钡剂造影检查

  C.血常规

  D.肝肾功能检查

  E.腹部B超

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• 5患者出现黑便时，其每日出血量估计为

  A.5ml

  B.50ml

  C.250ml

  D.400ml

  E.1000ml

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• 6上消化道出血的范围是

  A.贲门以上出血

  B.幽门以上出血

  C.Treitz籾带以上出血

  D.空回肠交界处以上出血

  E.回盲部以上出血

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• 7急性糜烂出血性胃炎的确诊应依据

  A.上消化道出血的临床表现

  B.胃液分析

  C.X线胃肠钡餐检查

  D.急诊胃镜检查

  E.腹部B超

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• 8胆道出血的特征是

  A.小量呕血为主，可周期性发作，伴腹痛、黄疸，休克发生少

  B.出血量大，呕血为主，常合并休克及肝功能损害

  C.出血量大，便血与呕血同时发生，多合并休克，肝功能损害不明显

  D.出血量中，便血为主，休克少见，常合并恶病质

  E.出血量中至大量，常发生于创伤、大手术后，出血可使休克加重

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• 9关于应激性溃疡及其导致的消化道出血不正确的是

  A.多发生于胃，也可累及食管

  B.不会穿透胃壁全层

  C.最明显的症状是呕血、柏油样便

  D.可发生大出血

  E.可发生于十二指肠

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• 10Whats the time interval for emergency endoscopy

  A.within a week

  B.within 5 days

  C.within 4 days

  D.within 3 days

  E.within 24～48 hours

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