71A 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
开始考试练习点击查看答案72A 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
开始考试练习点击查看答案73A male，age 36 ，has isotonic dehydration caused by adhesive intestinal obstruction for 4 days. The preferred supplem entary treatment is（ ）
A.1/25% isotonic glucose sodium hydride + 1/2 1.25% sodium bicarbonate solu-tion
B.2/35% glucose sodium chloride + 1 /35 % glucose solution
C.5% glucose sodium chloride solution
D.Compound sodium chloride+10% glucose solution
E.2/3 isotonic sodium chloride + 1 /3 1.25% sodium bicarbonate solution
开始考试练习点击查看答案74For a symptomatic partial duodenal obstruction secondary to an annular pancreas，the operative treatm ent of choice is（ ）
A.A Whipple procedure
B.Gastrojejunostomy
C.Vagotomy and gastrojejunostomy
D.Partial resection of the annular pancreas
E.Duodenojejunostomy
开始考试练习点击查看答案75A 70-year-old woman has nausea， vom iting， abdominal distention， and episodic，crampy midabdominal pain. She has no history of previous surgery but has a long history of cholelithiasis fo r w hich she has refused surgery. H er abdominal radiograph reveals aspherical density in the right low er quadrant. Correct treatm ent should consist of（ ）
A.Ileocolectomy
B.Cholecystectomy
C.Ueotomy and extraction
D.Nasogastric tube decompression
E.Intravenous antibiotics
开始考试练习点击查看答案76A 28-year-old previously healthy woman arrives in the emergency room complaining of 24h of anorexia and nausea and low er abdominal pain that is more intense in the right low er quadrant than elsewhere. On exam ination she has peritoneal signs o f the right low er quadrant and a rectal tem perature of 38. 38℃ (101. 8 。F ). At exploration throughincision of the right lower quadrant，she is found to have a small?contained perforation of acecal diverticulum . Which of the follow ing statements re（
A.Cecal diverticula are acquired disorders
B.Cecal diverticula are usually multiple
C.Cecal diverticula are mucosal herniations through the muscularis propria
D.Diverticulectomy，closure of the cecal defect，and appendectomy may be indicated
E.A nileocolectomy is indicated even with well-localized inflam mation
开始考试练习点击查看答案77男性，40岁，因肠梗阻2天急诊收住入院，剖腹探查发现结肠、小肠高度扩张，盆底有数枚。2cm左右的结节，直肠前壁于腹膜返折处有一肿块，占肠管3/4，侵及全层，最佳的手术方法为（ ）
A.Miles手术
B.Dixon手术
C.Bacon手术
D.Hartmann手术
E.Drhamel手术
开始考试练习点击查看答案78男性，60岁，因便血2周来院就诊。体格检查一般情况良好，腹部无肿块，直肠指诊未及肿块，乙状结肠镜检查发现距肛缘12cm处一肿块，呈菜花状，2cm×2cm大小。最佳的手术方法为（ ）
A.Miles手术
B.Dixon手术
C.Bacon手术
D.Hartmann手术
E.Drhamel手术
开始考试练习点击查看答案79乙状结肠扭转（ ）
A.X线片见气液平面多个，呈阶梯状排列，结肠无胀气
B.X线片见气液平面多个，结肠普遍胀气
C.X线片见突出胀气肠袢，呈“咖啡豆”样改变
D.钡剂灌肠呈“鸟嘴”形
E.钡剂灌肠呈杯状充盈缺损
开始考试练习点击查看答案80肠套叠（ ）
A.X线片见气液平面多个，呈阶梯状排列，结肠无胀气
B.X线片见气液平面多个，结肠普遍胀气
C.X线片见突出胀气肠袢，呈“咖啡豆”样改变
D.钡剂灌肠呈“鸟嘴”形
E.钡剂灌肠呈杯状充盈缺损
开始考试练习点击查看答案