脊柱运动的自由度有() ["2个","3个","4个","5个","6个"]
患者,18岁,主诉刷牙出血数月,查:牙不松动,牙龈红肿,牙周探诊深度≤3mm,牙石(++),探诊出血,最佳处理方案应是() ["服用阿莫西林和甲硝唑","口腔卫生宣教+龈上洁治术","口腔卫生宣教+龈上洁治术+根面平整术","服用牙周宁片+使用含漱剂","进行牙龈切除术"]
生发剂() ["含砷高","含汞高","含镍高","含镉高","含铅高"]
奶瓶龋最常见于() ["上颌乳切牙","下颌乳切牙","上颌乳磨牙","下颌乳磨牙","全部乳牙"]
足月儿,臀位产,有窒息史,生后数小时烦躁不安,继之惊厥。查体:前囟饱满,拥抱反射消失,最有意义的检查是() ["头部CT","血钙测定","血糖检测","脑脊液常规","脑电图"]
直肠下端有数个纵形皱襞称为()。