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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