患者女性,50岁,咬硬物致右上第二磨牙正中劈裂。拔牙前X线片显示患牙无龋及牙周病,根尖无阴影,上颌窦低位,腭根与上颌窦底重叠。术中腭根折断约2mm。对于此断根,应采取的最佳治疗方法是()。 ["A.不予拔除","延期拔除","翻瓣去骨拔除","三角挺拔除","根尖挺拔除"]
如果不考虑呼吸因素的影响。[HCO3-]变化10mmol/L,则pH相应变化() ["0.03","0.05","0.08","0.11","0.15"]
对球后溃疡的正确描述是() ["多发生在距幽门2~3cm以内","指十二指肠球部后壁溃疡","易并发出血","临床症状多不明显","内科治疗效果好"]
"益火之源,以消阴翳"的治法最适用于() ["阴盛则寒之证","阳盛则寒之证","阴盛伤阳之证","阴损及阳之证","阴阳俱损之证"]
肥胖病人心影呈() ["滴状心","横位心","靴形心","主动脉型心","梨形心"]
尺、桡骨(前臂)骨折固定法。