下述哪项不符合颈内动脉系统 ["A．一过性失明","B．发作性偏瘫","C．猝倒发作","D．偏盲","E．失语"]
培养基的概念及分类
下述哪项不是腰穿的禁忌证 ["A．颅内压增高","B．颅后窝肿瘤","C．脊柱结核","D．穿刺部位有感染","E．发热、菌血症"]
总量控制是环保监督部门发放（）的根据。 ["A、友好企业证","B、排污许可证","C、环保产业证","D、绿色产品证"]
下述哪项属于锥体束征 ["A．克尼格征 ","B．霍夫曼征 ","C．颈强直 ","D．布鲁辛斯基征 ","E．拉塞格征"]
酶的催化作用具有哪些特性？
