下列哪项不符合支气管囊肿的CT表现() ["肿块呈圆形或椭圆形,密度均匀","呈水样密度","半数可呈软组织密度","少数可呈脂肪密度","增强扫描无强化"]
主油泵找中心时,一般要求主油泵转子中心比汽轮机转子中心()。 ["A、抬高0.20~0.30mm;","B、抬高1.0~20mm;","C、降低0.20~0.30mm;","D、降低1.0~2.0mm。"]
急性脊髓炎脊髓休克期一般持续多少时间() ["2~4周","3~6周","1~2周","4~6周","1~2个月"]
脊髓休克现象发生时,下列哪项不应出现() ["截瘫","损伤平面以下感觉缺失","腱反射亢进","病理征阴性","大小便障碍"]
下列哪项为确诊肺动静脉瘘首选的检查方法为() ["胸部X线摄片","CT检查","肺血管造影","MRI检查","断层摄片"]
意识障碍的病因。