皮肤钙沉着症的临床类型不包括() ["营养障碍型","迁移型","医源型","特发性皮肤钙沉着症","原发性皮肤钙沉着症"]
耳硬化症常见的主要临床症状有() ["听力减退","耳鸣","威利斯听觉倒错","眩晕","以上均包括"]
REM睡眠约占总睡眠时间的比例为() ["5%~10%","10%~15%","15%~20%","20%~25%","25%~30%"]
腰椎狭窄时体格检查可见() ["成年人常出现隐性脊椎闭合不全","脊椎的活动范围在屈曲时通常明显受限","常见皮肤营养性改变","多数患者出现尿失禁、明显的节段先无力",""弯腰试验"阳性"]
下列维生素D中最有生物活性的是() ["7-脱氢胆固醇","胆骨化醇","25-羟胆骨化醇","1,25-二羟胆骨化醇","外源性维生素D"]
婴儿患儿进行沟通时要注意什么?