Mutansstre cryptococcus指的是() ["变形链球菌组","变形链球菌","远缘链球菌","野生链球菌","鼠链球菌"]
有意义的菌尿是指尿中菌量达到() [">105",">104",">107",">106",">103"]
以下可致新生儿嗜睡、低血压、低体温及低反应能力的麻醉药最可能是()。 ["地西泮","硫喷妥钠","依托咪酯","氯胺酮","丙泊酚"]
患者王某,高热不退,烦闷躁扰,手足抽搐,舌绛而干,脉弦而数,治宜() ["大秦艽汤","九味羌活汤","羚角钩藤汤","镇肝熄风汤","独活寄生汤"]
目前细菌检查最重要的确诊手段() ["抗原检测","细菌培养","细菌遗传物质检测","抗体检测","直接涂片镜检"]
根据安全工程学的一般原理,危险性定义为事故频率与事故后果严重程度的乘积,即危险性评价一方面取决于(),另一方面取决于一旦发生事故,其后果的严重性。