某患者戴义齿2周,主诉义齿撬动明显,且疼痛。查游离端可摘局部义齿,分别设计三臂卡环,马蹄形塑料基托,与黏膜贴合良好,远中牙槽嵴黏膜上可见黏膜红肿。造成义齿撬动疼痛的原因是()。 ["人工牙排在牙槽嵴顶腭侧","人工牙牙尖斜度过大","未设计间接固位体","卡环缺乏环抱作用","基托面积小"]
WHO推荐妊娠及哺乳期妇女每日碘摄入量为() ["50μg","120μg","200μg","150μg","300μg"]
双下吱对称性紫癜伴荨麻疹者常见于()。 ["过敏性紫癜","再生障碍性贫血","激素性紫癜","血小板减少","特发性血小板增多症"]
一马出现恶寒、发热、无汗、头低,项脊四肢强拘,轻微咳喘,苔薄白,脉浮紧的症状该病证的治疗原则是() ["祛风除湿,通痹止痛","辛凉解表,止咳平喘","发汗解表,宣肺平喘","补肝益肾,通痹止痛","温中散寒"]
强心苷中毒的早期症状最常见的是()。 ["低血钾","Q-T间期缩短","胃肠道反应","头痛","房室传导阻滞"]
狂犬病的兴奋期通常是()狂犬病的潜伏期通常是()