支气管断裂伤最常见的征象是() ["A．双肺含气不足，合并渗出性病变","B．张力性气胸合并纵隔和皮下气肿","C．肺气肿，纵隔增宽","D．肺不张，纵隔移位","E．纵隔移位合并双肺含气不足"]
畸胎类肿瘤的好发部位是() ["A．前纵隔中下部，心脏与升主动脉交界处","B．前纵隔中部紧贴心底","C．前纵隔下部心膈角区","D．中纵隔上部气管旁","E．中纵隔肺门区"]
主动脉及体循环血量增多()主动脉及体循环血量减少()主动脉血量增多，体循环血量减少()左心室、主动脉及体循环血量均减少() ["A．房间隔缺损","B．室间隔缺损","C．动脉导管未闭","D．肺动脉瓣狭窄","E．法洛四联症"]
肺动脉高压()动脉导管未闭()房间隔缺损()主动脉缩窄() ["A．P固定分裂","B．股动脉搏动减弱或消失","C．P亢进","D．脉压增宽，伴有毛细血管搏动和股动脉枪击音","E．P减弱"]
精原细胞瘤与下述何种疾病均属生殖细胞类肿瘤() ["A．神经源性肿瘤","B．脂肪瘤","C．间皮囊肿","D．畸胎瘤","E．淋巴瘤"]
动脉导管未闭()房间隔缺损()室间隔缺损()法洛四联症()
