鼠疫的主要传染源为() ["A．老鼠","B．患者","C．病原携带者","D．猫","E．狐狸"]
鼠疫的主要传播媒介为() ["A．恙螨","B．旱獭的长须山蚤","C．革螨","D．鼠虱","E．白蛉"]
鼠疫杆菌的主要储存宿主为() ["A．褐家鼠","B．旱獭和黄鼠","C．田鼠","D．黑绒姬鼠","E．松鼠"]
根据图片显示和所学知识，你认为鼠疫耶尔森菌最突出的特点是() ["A．为两端钝圆，两极浓染的椭圆形小杆菌","B．革兰染色阴性，无鞭毛，无芽胞，不活动","C．能产生内毒素","D．能产生鼠毒素","E．对外界抵抗力弱，对一般消毒均敏感"]
肾盂旁囊肿的CT表现有哪些?
肾结核的CT表现有哪些?
