慢性支气管炎可导致() ["支气管扩张症","支气管管腔狭窄","肺气肿","支气管性哮喘"]
左冠状动脉前降支分出间隔支和对角支,分布于左心室前壁、部分右心室和室间隔的前1/3部。
下列哪些不是室间隔缺损的手术治疗适应证() ["2岁后肺循环与体循环量之比>2:1","大型缺损在6个月以内发生内科难以控制的心力衰竭","肺动脉高压伴右向左分流","分流量大,尚未形成梗阻型肺动脉高压者","婴幼儿期就出现艾森曼格综合征"]
耳硬化症手术治疗的术式有() ["A.镫骨切除术","B.外半规管开窗术","C.镫骨撼动术","D.内淋巴囊手术","E.镫骨提高术"]
唇高线与平面间距离应为上颌中切牙唇面高度的() ["1/2","1/3","1/4","2/5","2/3"]
甲状腺激素()糖皮质激素()