For colon cancer， the spreading distance along the colon wall to the margin of cancer is about ：（    ）

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• 1Which one is not suitable to diagnose colon cancer ：（    ）

  A.proctoscopy

  B.CEA in serum

  C.CT

  D.gastroscopy

  E.occult blood in stool

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• 2Location of anal fissure mostly been found in which clock by knee-chest position ：（    ）

  A.twelve

  B.three

  C.nine

  D.six

  E.three and six

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• 3Which of the following is the most accurate description of “triad syndrome of analfissure ” ？（    ）

  A.Internal hemorrhoids，external hemorrhoids，anal fissure

  B.Analfissure，internal hemorrhoids，sentinelpile

  C.Internal hemorrhoids，external hemorrhoids，sentinel pile

  D.Anal fissure，sentinel pile，anal papilla hypertrophy

  E.External hemorrhoids， sentinel pile，anal fissure

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• 4Which of the following molecular markers is most important fo r the diagnosis and postoperative observation of colon cancer?（    ）

  A.AFP

  B.CEA

  C.CA19-9

  D.CA125

  E.AKP

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• 5女，45岁，肛门周围经常潮湿不洁，分泌物有恶臭，且肛门经常发生肿痛，查：距肛门2cm处有乳头状隆起，触之有条状物与肛门相连，有压痛，是何种疾病并需采取哪一种治疗措施（    ）

  A.肛管癌行Miles手术

  B.血检性外痔行血栓切除术

  C.单纯肛瘘行手术治疗

  D.外痨无须特殊处理

  E.内痔行环切术

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• 6Which of the follow ing statement about imperforate anus is not true（    ）

  A.all the newborns with this disorder w ill die of intestinal obstruction soon if they do not undergo surgical correction

  B.decision of surgical procedure fo rpatient with this disorder is m ainly based on the location or level of the atretic end of rectus

  C.an X -ray film with patient in upside down position taken at 12 hours after birth is needed to show the atretic end

  D.the aim of therapy is not only to achieve successful passage of stool， but afunctioning anus

  E.good postoperative outcome may be expected in patient with low -type anal atresia

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• 7During an operation fo r carcinoma of the hepatic flexure of the colon， an unex­-pected discontinuous 3-cm metastasis is discovered in the edge of the rig h t lobe of the liver.The surgeon should（    ）

  A.Tem inate the operation， screen the patient fo r evidence of other metastases，and plan further therapy after the reevaluation

  B.Perform a right hemicolectomy and a right hepatic lobectomy

  C.Perform a right hemicolectomy and a wedge resection of the metastasis

  D.Perform a cecostomy and schedule reoperation after a course of systemic chemotherapy

  E.Perform local resection of the primary colon cancer and plan radiation therapy for the lesion on the liver

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• 8实习医生遇到一女性病人，26岁，脓血便伴消瘦5年。为明确诊断，应选择的检查是（    ）

  A.大便OB实验

  B.腹部透视

  C.钡剂灌肠

  D.大便查阿米巴滋养体

  E.血液肿瘤标志物

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• 9乙状结肠镜检查时发现肠黏膜遍布无蒂息肉，但未发现骨骼及其他软组织肿瘤，该实习生的诊断为（    ）

  A.Peutz-Jeghers综合征

  B.Gardner综合征

  C.家族性息肉病

  D.溃疡性结肠炎

  E.阿米巴性肠炎

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• 10纤维结肠镜见直肠息肉稀少，其余结肠状况与乙状结肠相同。治疗方案为（    ）

  A.抗生素治疗观察

  B.行结肠切除+结肠造口术

  C.行结肠切除+回肠直肠吻合术

  D.行结肠切除+部分回肠切除术

  E.行直肠切除+结肠造口术

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