患者男性,19岁,右下颌区反复肿胀半年。两天前再次发作,病程进展快,出现张口受限。X线示右下颌角区沿颌骨长轴单囊阴影、右下颌角第三磨牙位于下颌下缘,该患者最可能的诊断是:() ["右下颌骨骨髓炎","右下颌骨成秞细胞瘤","右下颌骨含牙囊肿","右下颌骨中枢性癌","右下颌骨角化囊肿继发感染"]
严重低钾血症病人可出现()。 ["肌无力","腹胀","肠麻痹","反射迟钝或消失","尿排钾减少"]
甲亢病人术前应控制基础代谢率,下列哪项正确() ["+40%","+30%","+20%","+10%","+5%"]
哪种眼眶异物应尽早取出() ["眶尖部的气枪弹","眼尖部的铁砂弹","眶尖部的竹碎片","眶尖部的玻璃碎片","眶尖部的铜碎片"]
严重糖尿病酮症酸中毒时,酮体生成增多。酮体主要由下列哪项成分构成() ["尿素与肌酸酐","尿素与氯化物","草酸与羟丁酸","羟丁酸与乙酰乙酸","丙酮酸与草酸"]
对系统进行初步分析后,其中特别严重,甚至会造成死亡或重大财物损失的故障类型,可以单独拿出来进行详细分析,这种方法叫做()。