后房的容积约为() ["0.02ml","0.06ml","0.1ml","0.15ml","0.2ml"]
脊髓空洞症确诊的首选检查方法为() ["脊髓X线片","脊髓CT","脊髓MRI","肌电图","脊髓造影"]
激活的T细胞的功能是() ["抑制其他细胞的免疫功能","辅助和促进其他细胞的免疫功能","杀伤靶细胞","产生抗体","转化为浆细胞"]
吡喹酮抗血吸虫作用的特点是() ["直接杀灭成虫作用快、强","可口服,疗程短,副作用少","需静注,疗程长,易蓄积","促进血吸虫的肝转移,并在肝内死","抑制Ca进入虫体,使虫体肌肉产生松弛性麻痹"]
牙体缺损修复过程中,可能导致牙髓损害的因素包括() ["牙体制备","取印模","临时冠制备","预备体消毒","以上均是"]
完成单位合格产品的材料总耗用量,是由两部分组成,即单位合格产品的()和合理的损耗。