直接喉镜观察喉部结构可分为四级,Ⅲ级和Ⅳ级都有插管困难,误入食管的危险性约为() ["A.30%","B.40%","C.50%","D.60%","E.大于70%"]
风湿热患者下列哪项单独存在即为风湿活动指征() ["抗链球菌溶血素"O"增高","白细胞总数增高","小舞蹈症","扁桃体炎","心电图ST段变化"]
急性出血坏死性胰腺炎患者不会出现()。 ["腹痛","腹胀","手足抽搐","低血糖","休克"]
产后宫底下降至骨盆腔内为()。 ["产后3天","产后第6天","产后10天","产后15天","产后3周"]
有关纤维异样增殖症,下列哪项是错误的() ["女性多见,儿童期发病","畸形、肿块和病理骨折为常见临床症状","X线特点:好发于长骨干骺端,受累骨膨胀,皮质变薄,无骨膜反应","放疗有效,不易发生恶变","以手术治疗为主"]
子宫颈黏膜()阴道黏膜()