按国际标准规定,重大件货物指单件质量或长度超过_。 ["30t或9m","30t或12m","40t或9m","40t或12m"]
患者因中龋一次银汞充填后冷热刺激痛,无自发痛。查:充填物完好,叩(-)冷热测正常牙面时无痛,但测充填体处痛。最可能的原因是() ["A.备洞时刺激牙髓","B.充填时未垫底","C.流电作用","D.充填体悬突","E.充填体高点"]
据我国对重大件货物的规定,沿海运输时,指单件质量或长度超过_。 ["3t或9m","3t或12m","5t或9m","5t或12m"]
患者因深龋一次垫底银汞充填后1周出现自发痛,冷热痛持续,不能咬物。该患牙处理应为() ["A.观察","B.去旧充填物,氧化锌丁香油糊剂安抚","C.去旧充填物,改其他材料充填","D.牙髓治疗","E.去旧充填物,重新垫底,银汞充填"]
化脓性脑膜炎()结核性脑膜炎()病毒性脑膜炎() ["A.IgM显著增高","B.IgA增高显著","C.IgA降低显著","D.IgM显著降低","E.IgA及IgM无明显改变"]
糖含量降低,在化脓性脑膜炎糖含量可低0.5mmol/L以下,甚至为零()糖量降低至2.2mmol/L以下,氯化物降低最为明显,可低于102mmol/L()糖含量一般正常()