有关脊柱外伤与脊髓损伤的关系,下列错误的是() ["脊髓损伤节段与椎骨受伤平面不一致","胸椎较固定,所以胸椎的脱位多无脊髓损伤","有的病例表现为明显脊髓损伤,但X线检查却无骨折脱位","屈曲型骨折脱位造成脊髓损伤最多见","椎管狭窄患者,脊柱骨折创伤更易发生脊髓损伤"]
下列有关核上性眼肌麻痹不正确的说法是() ["双眼可同时受累","无复视","累及内侧纵束","可见于脑出血患者","反射性运动仍保留"]
患者,男,66岁。25、26、27缺失,余留牙健康。可摘局部义齿的支点线应设计成() ["斜线式","直线式","横线式","纵线式","平面式"]
接触致敏反应性接触性皮炎首次发生的潜伏期一般为() ["10小时","少于24小时","24~48小时","多于48小时","以上都是"]
脑囊虫病最常见的临床表现为() ["癫痫发作","头痛","脑膜刺激征","精神症状","偏瘫、失语"]
简述动脉导管未闭的体征。