男孩,11岁。平素"健康"。来诊前玩耍中突然呕吐,开始为胃内容物,后为大量咖啡样物,连续呕吐3次,量约500ml,急来医院。病后无明显腹痛,未发热,但自觉头晕。家族史中其母亲及外祖父患有"十二指肠球溃疡"。体格检查:体温36.1℃,脉搏112次/分,血压14.5/7.0kPa(109/53mmHg)。发育良好,面色及口唇、甲床苍白,皮肤未见出血点。无黄疸,无蜘蛛痣。心肺正常,腹平软,剑突下轻压痛,无包块。肝、脾不大。四肢温暖,脉搏有力。最可能的诊断()
A. 消化性溃疡合并出血
B. 食管胃底静脉曲张破裂出血
C. 腹型过敏性紫癜出血
D. 梅克尔憩室并消化道出血
E. 支气管扩张并大量咯血
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You have two computers named Computer1 and Computer2. Computer1 runs Windows Vista. Computer2runs Windows 7. You attempt to migrate the user profiles and data from Computer1 to Computer2 by usingUser State Migration Tool (USMT) 4.0. During the migration, you receive the following error message:Gather was aborted because of an EFS file.You need to ensure that you can successfully migrate the user state from Computer 1 to Computer 2. Whatshould you do?()
Add the /efs:copyraw switch to the Loadstate command.
B. Add the /efs:copyraw switch to the Scanstate command.
C. Generate a new Encrypting File System (EFS)certificate on Computer2.
D. Export the Encrypting File System (EFS) certificate from Computer1 and import the certificate to Computer2.
患者女,32岁,骤发剧烈腹痛,伴腹胀、恶心、呕吐1d。发病以来未曾排便及排气,并且不敢翻身和深呼吸,拒腹部受压。12h前腹痛加重并出现烦躁不安,憋气,伴体温升高遂来急诊。发病前曾生吃西红柿及涮羊肉。3年前查体发现胆囊结石,无症状,未予治疗。既往无类似腹痛,无溃疡病史,2个月无月经。经辅助检查后诊断已明确,治疗方式为(提示实验室检查:Hb96.1g/L,WBC18.9×109/L,AST211U/L,BUN9.9mmol/L,TBil30μmol/L,DBil12μmol/L,血钙1.75mmol/L。)()。
A. 禁食、胃肠减压
B. 开放静脉,输液,维持水和电解质平衡
C. 急诊手术探查
D. 应用抗生素及抑制分泌制剂
E. 待各项检查完善,24h后手术治疗
F. 暂时不予以处理,观察
标准分为:技术标准、工作标准、管理标准。
A. 正确
B. 错误
自然灾害的发生具有随机性,是不可预测的。()
A. 正确
B. 错误