第9题: [单项选择]Question 8 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. 参考答案:C 答案解析:[解析] A man believed to have raped and attacked 17 women in four states has been arrest
第19题: [单项选择]张力性气胸的最主要病理生理变化() A. 反常呼吸运动 B. 纵膈摆动 C. 进行性伤侧肺压缩 D. 呼吸死腔增加 E. 血氧分压下降 参考答案:C 答案解析:张力性气胸的其裂口与胸膜腔相通,且形成活瓣,致吸气时空气从裂口进入胸膜腔内,呼气时活瓣关闭,空气只能进入而不能排出,使胸膜腔内积气不断增多,压力不断升高。胸膜腔内的高压迫使伤侧肺逐渐萎缩。【该题针对“