第2题: [单项选择]患者,女,30岁。10年前患风湿热,检查:心尖部听到舒张期隆隆样杂音,X线显示左心房增大。应首先考虑的是() A. 二尖瓣关闭不全 B. 二尖瓣狭窄 C. 主动脉瓣关闭不全 D. 主动脉瓣狭窄 E. 肺动脉瓣狭窄 参考答案:B 答案解析:患者有风湿热病史,并出现心脏杂音,考虑风湿性心脏瓣膜病。心尖部听到舒张期隆隆样杂音为二尖瓣狭窄特有的杂音,且二尖瓣狭窄导致左房血液瘀滞,增大。故本题选择B。A为心尖部收缩期杂音:C为胸骨右缘第2~3肋
第16题: [单项选择]SDS按症状出现的频率分( )。 A. 7级 B. 5级 C. 4级 D. 2级 参考答案:C 答案解析:[解析] SDS按症状出现的频率分四级,分别为:“1”没有或很少时间;“2”少部分时间;“3”相当多时间;“4”绝大部分或全部时间。
第17题:[单选题] People who think happiness lies in the town would feel that ____________ if they had to live outside London. A. their life was meaningless B. their life was invaluable C. they didn't deserve a happy life D. they were not worthy of their happy life 参考答案:A