胸片显示为双侧性弧形肿块，密度均匀，且无钙化，可能是以下哪种肿瘤() ["A．胸内甲状腺肿","B．神经源性肿瘤","C．胸腺瘤","D．淋巴瘤","E．畸胎瘤"]
杀灭物体上病原微生物繁殖体的方法称为() ["A．无菌操作","B．防腐","C．无菌","D．灭菌","E．消毒"]
过早搏动(prematurebeat)
肺结核空洞一般为() ["A．薄壁空洞","B．厚壁空洞","C．虫蚀样空洞","D．以上均可","E．以上均不可"]
输血反应()青霉素过敏性休克()链球菌感染后的肾小球肾炎()移植排斥反应() ["A．Ⅰ型超敏反应","B．Ⅱ型超敏反应","C．Ⅲ型超敏反应","D．Ⅳ型超敏反应","E．人工被动免疫反应"]
小儿心律失常
