单选题:All the following factors may increase cancer rates EXCEPT 题目分类:卫生类 题目类型:单选题 查看权限:VIP 题目内容: All the following factors may increase cancer rates EXCEPT A.occupational carcinogen B.lack of access to tobacc C.unhealthy habit D.aging population 参考答案: 答案解析:
塑料全冠修复时牙颈部制成肩台是为了( )。 塑料全冠修复时牙颈部制成肩台是为了( )。A.有利于保护牙髓 B.有利于边缘密合 C.有利于美观 D.有利于抗力 E.有利于固位 分类:卫生类 题型:单选题 查看答案
According to Paul Kleihues, cancer was once regarded as According to Paul Kleihues, cancer was once regarded asA.an incurable diseas B.a 分类:卫生类 题型:单选题 查看答案
妊娠晚期,阴道出血,且伴有妊高征,应首先考虑( ) 妊娠晚期,阴道出血,且伴有妊高征,应首先考虑( )A.前置胎盘 B.子宫破裂 C.胎盘早剥 D.羊水过多 E.羊水过少 分类:卫生类 题型:单选题 查看答案