Ante主张决定基牙数量应() ["以牙合力比值","以缺牙数量","以牙周膜面积","以缺牙部位","以年龄"]
患者男,60岁,饮少量酒后出现上腹部剧痛2h入院,既往高血压,胆结石病史,曾行胆囊切除。查体:Bp90/60mmHg,心率102次/min,律齐,双肺呼吸音清,腹略膨隆,软,中上腹压痛(+),无反跳痛及肌紧张,移动性浊音可疑阳性,肠鸣音减弱。若患者血淀粉酶正常,心电图下壁导联ST段略压低,B型超声显示脂肪肝,因肠气干扰胰腺显示不清,肝内、外胆管不扩张,肝功能及胆红素正常,血常规示白细胞18×109/L,血红蛋白170 g/L,则该患者最有可能的诊断是() ["A.急性心肌梗死","急性胰腺炎","急性化脓性胆管炎","腹主动脉夹层","急性肺炎","急性肠系膜动脉栓塞"]
大气标准SO2的1小时平均浓度限值是() ["0.06mg/m3","0.50mg/m3","0.15mg/m3","0.20mg/m3","0.10mg/m3"]
作固定义齿设计时临床上增加基牙主要目的是() ["基牙越多,义齿越坚固","减轻较弱侧基牙负荷","经过基牙固定松动基牙","基牙必须对称","为了美观"]
患者男,25岁,发病为腹痛,腹泻,水样便、无脓血,有里急后重,自感乏力。但体温正常,亦无脱水和呕吐,转氨酶正常。取粪便黏液部分镜检可见大量红细胞及白细胞。该致病菌选择分离培养基是() ["A.伊红美蓝(EMB.培养基","血琼脂培养基","巧克力琼脂培养基","TCBS培养基","SS培养基"]
浆膜腔渗出液()。浆膜腔漏出液()。