某患者因心悸而就诊,听诊心律不规整,心电图检查:提前出现的宽大的畸形的QRS波群,其前无P波,T波方向与QRS波群主波方向相反,该宽大畸形的QRS波群前后两个窦性P波间距离等于正常p-p间距的2倍,应考虑为()。 ["室性早搏","插入性早搏","房性早搏","室内差异性传导","交界性早搏"]
关于义齿基托磨光面的制备原则,错误的是() ["均应制成斜凸形斜面","上颌颊面应为向上外的斜面","上颌舌面应为向上内的斜面","下颌颊面应为向下外的斜面","下颌舌面应为向下内的斜面"]
下列关于圆锥型套筒冠固位体设计,说法错误的是() ["从审美角度考虑,一般上、下颌中切牙至第二前磨牙区选用金属烤瓷和金属树脂圆锥套筒冠固位体","以前牙、前磨牙作为基牙较为理想","固位体之间越分散越好,有利于平面固位","基牙牙槽骨吸收明显,乃至达3/5,仍可选用缓冲型圆锥型套筒冠固位体","磨牙的基牙牙冠高度较低时,应选用金属外冠圆锥型套筒冠固位体"]
某女,24岁,阴部瘙痒1月,奇痒难忍,灼热疼痛,带下量多,色黄呈现泡沫状,心烦少寐,口苦咽干,小便黄赤,舌红,苔黄腻,脉滑数。治疗首选() ["五淋散","清肝止淋汤","知柏地黄丸","萆薢渗湿汤","龙胆泻肝汤"]
TIA的治疗包括() ["抗凝治疗","抗血小板聚集治疗","扩容药物治疗","血管扩张药治疗","血管内介入治疗"]
试述果实的三种划分依据和它们的划分类型。