股骨颈骨折股骨头缺血坏死是由于()肱骨干中、下1／3处骨折常引起()肱骨髁上骨折最常引起() ["A．肱动脉损伤","B．挠动脉损伤","C．尺神经损伤","D．股骨转子骨折","E．旋股内、外动脉损伤"]
准分子激光角膜原位磨镶术与准分子激光角膜切削术所引起的不同的并发症是() ["A．角膜上皮植入","B．夜间眩光","C．单眼复视","D．不规则散光","E．术后欠矫"]
由各个超声探头阵元边缘所产生的外加声束称之为() ["A．边缘声影","B．阻抗伪像","C．旁瓣","D．声误差","E．主瓣"]
肾结核()前尿道损伤() ["A．无痛性间歇性肉眼全程血尿","B．终末血尿","C．全程血尿","D．先疼痛后血尿","E．尿道滴血"]
一主子午线聚焦在视网膜后，另一主子午线聚焦在视网膜之前称为() ["A．单纯近视散光","B．单纯远视散光","C．复合近视散光","D．复合远视散光","E．混合散光"]
先天性血管瘤临床上分为________、________、________3型。
