①肺动脉、②支气管动脉、③肺淋巴管、④肺静脉、⑤支气管静脉，属于肺功能性血管的是() ["A．①②","B．①②⑤","C．①④","D．②⑤","E．③④⑤"]
下述四种物质的酸性强弱顺序是() (Ⅲ)pKa=4.2(Ⅳ)pKa=8．3 ["A．Ⅰ>Ⅱ>Ⅲ>Ⅳ","B．Ⅱ>Ⅳ>Ⅲ>Ⅰ","C．Ⅰ>Ⅲ>Ⅳ>Ⅱ","D．Ⅰ>Ⅱ>Ⅳ>Ⅲ","E．Ⅱ>Ⅲ>Ⅰ>Ⅳ"]
试述植入式人工中耳的选择标准。
反复发作致关节畸形的疾病是_______，反复发作致心脏瓣膜病的是_______。
肺源性心脏病最常见的病因是() ["A．机化性肺炎","B．慢支、肺气肿","C．支气管扩张","D．肺结核","E．矽肺"]
突发性聋有哪些主要临床特点?
