第18题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Find room for the paintings. B. Put more coats of paint on the wall. C. Paint the walls to match the furniture. D. Hang some pictures for decoration. 参考答案:D
第37题: [单项选择]张力性气胸最主要的病理生理变化是() A. 反常呼吸运动 B. 纵隔摆动 C. 进行性伤侧肺压缩 D. 呼吸无效腔增加 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。