皮肤变态反应试验属于() ["过敏试验","亚毒性试验","致突变致癌短期试验","慢性毒性试验","人群斑贴试验"]
成年女性可选用的气管套管内径一般为()。 ["7mm","8mm","9mm","10mm","12mm"]
女性36岁,腹胀2周入院,查体:腹部膨隆,全腹轻压痛,无反跳痛,移动性浊音(+),腹水检查:比重1.018,蛋白4.5g/L。估计患者腹水量至少有() ["A.500ml","300ml","1000ml","1500ml","1200ml"]
蛔虫病的诊断,以下各项中最有意义的是() ["饮食不洁","反复腹痛","吐蛔排蛔","肛周搔痒","夜间磨牙"]
牙石形成的时间() ["1~2小时","12小时左右","7天","12天左右","10~30天"]
常见的病毒性肝炎有()、()、()、()、()五型。