接受婚前医学检查的人员对检查结果持有异议的() ["可以申请复议","可以申请医学技术鉴定","应当申请医学技术鉴定","可以提起诉讼","可以重新接受婚前医学检查"]
根据反流束在左室流出道内的最大宽度和左室流出道宽度的比值,可将主动脉瓣关闭不全分Ⅲ度,其中中度关闭不全为() ["比值小于25%","比值为25%~65%","比值为65%~80%","比值为大于80%"]
调节红细胞生成的主要体液因素是() ["雄激素","雌激素","红细胞提取物","集落刺激因子","促红细胞生成素"]
造成拥挤的环境因素,堕工() ["乳牙早失","乳牙滞留","口腔不良习惯","唇系带异常","长期食用精细柔软的食物"]
女性,45岁。主诉左下后牙食物嵌塞痛。医生检查做左下第二磨牙温度测验后,患牙感觉疼痛且持续一段时间。温度测验的记录应为() ["痛","++)","敏感","中等痛","持续痛"]
RO系统的回收率是怎样确定的?