第17题: [单项选择]房间隔缺损() A. 原有房颤突然出现心室率过速者,不宜采用电复律以免血栓脱落而造成栓塞 B. 硝酸甘油常不能解除其引起心内膜下缺血的心绞痛 C. 麻醉中轻度的心率增快最有益 D. 多在控制性降压下实施手术治疗 E. 动力型肺动脉高压形成较晚 参考答案:E 答案解析:动脉导管未闭患者多在控制性降压下实施手术治疗。
第34题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She will fly directly to her destination. B. She must change at Jacksonville. C. She has to stay overnight at Albany. D. She will take a two-hour flight to Albany. 参考答案:B