第13题: [单项选择]某恶性淋巴瘤患者采血处持续渗血,压迫止血效果差,PT,APTT,血浆因子Ⅷ、Ⅸ、Ⅺ和Ⅻ的促凝活性测定均正常,凝块稳定性试验显示纤维蛋白在2小时内完全溶解,该患者可能的并发症是()。 A. DIC B. 获得性ⅩⅢ因子缺乏 C. ITP D. 维生素K缺乏症 E. 先天性ⅩⅢ因子缺乏 参考答案:B 答案解析:在临床上若发现伤口愈合缓慢、渗血不断或怀疑有因子ⅩⅢ缺陷者,可首选凝块稳定性试验。若纤维蛋白在24小时内,尤其是2小时内完全溶解,表示因子ⅩⅢ缺乏,见于先天性因子ⅩⅢ缺乏或获得性因子ⅩⅢ缺乏,后者见于
第17题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. She made a reservation for the 9:00 flight. B. She changed the reservation. C. She found they were late for the 8:00 flight. D. She misunderstood the man. 参考答案:D 答案解析:[听力原文] M: Did you make a reservation on the 9:00 flight W: 1 thought you wanted to take the 8