与细菌基因转移有关的结构是()与细菌抗吞噬作用有关的结构是()作为灭菌监测的结构是()具有粘附作用的结构是()赋予细菌以动力的结构是() ["芽孢","荚膜","鞭毛","普通菌毛","性菌毛"]
根尖周囊肿最重要的临床诊断依据是() ["牙髓无活力","根尖周围透射区白线围绕","根管内有浅黄透明囊液","囊液中见到胆固醇结晶","以上都不是"]
患者,女性,23岁,孕34周,第一胎。无诱因阴道流液13小时,活动后流液增多。提示:住院期待治疗10天,欲需终止妊娠。需行下列哪项检查以了解胎儿是否成熟() ["A.卵磷脂与鞘磷脂比值","羊水肌酐测定","羊水胆红素类物质用△OD450测值","羊水中脂肪细胞出现率","B超测胎头双顶径值","肝功能的检查","血常规的检查"]
在“忘躯徇物,危若冰谷”中,“冰谷”喻义为() ["喻寒冷","喻深渊","喻险境","喻困苦"]
腭裂术后发生创口穿孔(腭瘘)的最主要原因是() ["A.饮食","B.张力过大","C.出血","D.感染","E.患儿哭闹"]
增生型肠结核病理特征是()溃疡型肠结核病理特征是()