Which part of the intestine is the predilection site of Crohns disease?（    ）

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• 1先天性肛门闭锁、直肠尿道瘘患儿，生后三天来院诊治，最合理治疗方案，应是（    ）

  A.结肠造瘘术，数月后再行肛门成形术

  B.结肠造瘘和膀胱造瘘术.数月后再行肛门成形

  C.经后矢状入路肛门成形加膀胱造瘘术

  D.经会阴肛门成形膀胱造瘘术

  E.非手术治疗

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• 2先天性胆道闭锁手术治疗的最适合年龄是（    ）

  A.2个月以内

  B.2〜6个月

  C.6〜12个月

  D.1〜3岁

  E.3〜6岁

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• 3先天性巨结肠原发病位置在（    ）

  A.扩张段与肥厚段

  B.远端狭窄肠段

  C.回盲部

  D.全结肠

  E.乙状结肠

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• 4先天性肠闭锁钡灌肠显示（    ）

  A.结肠直肠有扩张段和狭窄段

  B.结肠可见“杯口状”阴影

  C.结肠瘪细呈胎儿型结肠

  D.回盲部不在右下腹

  E.出现“龛影”

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• 5先天性肥厚性幽门狭窄病理改变是（    ）

  A.幽门环肌肥厚

  B.幽门纵肌肥厚

  C.幽门壁各层肥厚尤以环肌为主

  D.幽门壁各层肥厚尤以纵肌为主

  E.幽门肌层瘢痕狭窄

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• 6A 50-year male with paroxysmal abdominal pain for 6 days，nausea and abdominal distension for days admitted to the ER. Physical examination showed abdominal bulge and visible peristalsis. Active bowl sound and gurgling could be heard by auscultation.  X-ray showed fluid level in the dilated small intestine in the middle abdomen and a small a-mount of gas in the colon. The most possible diagnosis is ：（    ）

  A.Paralytic intestinal obstruction

  B.Lower-level small intestinal obstruction

  C.Higher-level small intestinal obstruction

  D.Necrostic enteritis

  E.Sigmoid volvulus

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• 7If the initial part of SMA is embolized，which part of intestine will be involved?（    ）

  A.duodenum，jejunum，ileum

  B.small intestine and colon

  C.small intestine，cecum and ascending colon

  D.ascending colon and transverse colon

  E.descending colon，sigmoid colon and rectum

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• 8The most common involved vessel of mesenteric vascular ischemic diseases is（    ）

  A.Superior mesenteric artery

  B.Superior mesenteric vein

  C.Inferior mesenteric artery

  D.Inferior mesenteric vein

  E.All above

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• 9A 60-year- old female presents with continued periumbilical stomachache with vomiting for one week. Bowel sound is active. X-ray abdominal plain film reveals colonic obstruction. Which of the following is NOT a common cause of large intestine obstruction?（    ）

  A.Enterostenosis

  B.Ulcerative colitis

  C.Indigitation

  D.Volvulus

  E.Tumor

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• 10A 34-year-old female with isotonic dehydration induced by enterostom y is given high-dose NaCl IV . It can result in（    ）

  A.Hyperkalemia

  B.Hypomagnesemia

  C.Hyperchloremia

  D.Hypernatremia

  E.Hypochloremia

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