[医学类试卷]出血、血栓与止血检测练习试卷1及答案与解析.doc

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1、出血、血栓与止血检测练习试卷 1 及答案与解析1 某女患肝炎 20 余年,近期鼻黏膜、牙龈经常出血,血小板105109/L,PT、KPTT 均延长,纤维蛋白原定量正常。该患者出血的原因很可能为(A)体内有狼疮样抗凝物质(B)肝脏对维生素 K 灭活障碍(C)肝脏合成肝素增加(D)肝脏对雌激素灭活障碍(E)肝脏对肝素灭活障碍2 一儿童,牙龈、鼻黏膜出血,身体多处有出血点。连续血常规检查结果为RBC4.21012/L,Hb125g/L ,WBC9.210 9/L,血小板 2510g/L,对诊断最有帮助的是(A)KPTT 确诊血友病甲(B) vWF 活性测定确诊 vWD(C)查过敏原确诊过敏性紫癜(D

2、血小板功能检测诊断血小板无力症(E)骨髓细胞学检查和 PAIg 确诊 ITP3 一中学生两年前开始双下肢大片出血点,对称性分布。其间时有发作,但血小板计数、出血时间、活化部分凝血活酶时间测定始终在正常范围。病人出血更为可能的原因是(A)白血病(B)血友病(C)过敏性紫癜(D)血小板无力症(E)vWD4 某病人手术后伤口渗血不止,术前检查 PT、APTT、Plt 都正常,但进一步检查发现,病人的血凝块很容易溶解于 5mol/L 尿素,据此可怀疑病人出血的原因为(A)病人 F缺乏,无法形成稳定的纤维蛋白复合物(B)病人原有的疾病恶化-DIC(C)亚临床型血友病-APTT 不够敏感(D)输入了血库血-抗凝物质增多(E)病人有 vWD-术前所用检查项目无法查出出血、血栓与止血检测练习试卷 1 答案与解析1 【正确答案】 C【知识模块】 出血、血栓与止血检测2 【正确答案】 E【知识模块】 出血、血栓与止血检测3 【正确答案】 C【知识模块】 出血、血栓与止血检测4 【正确答案】 A【知识模块】 出血、血栓与止血检测

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