第33题: [单项选择]临床上需要加做上、下肋间导联心电图的情况是 A. 某一胸导联存在可疑的异常Q波 B. P波看不清楚 C. 怀疑下壁心肌梗死 D. 身躯瘦小 E. 以上都不是 参考答案:A 答案解析:[解析] 当某一胸导联存在可疑的异常Q波时,应加做上、下肋间导联心电图,可以了解是否存在Q波区,通常用于不典型或小范围心肌梗死的鉴别诊断。
第34题: [单项选择]A) Most victims were rescued successfully. B) Someone in the firm was to blame for the explosion. C) The firemen were very brave. D) The press reporter arrived too late to interview anyone. 参考答案:B 答案解析:[听力原文] What do we learn from the passage