指头炎出现搏动性跳痛时应采取的措施是（） ["热盐水浸泡","外效鱼石脂软膏","用抗生素","理疗","切开引流"]
肱骨髁上骨折好发于（） ["A.老年女性","B.老年男性","C.中年女性","D.中年男性","E.小儿"]
β肾上腺素受体阻断药的适应证除外（） ["支气管哮喘","心绞痛","甲状腺功能亢进","窦性心动过速","高血压"]
易造成骨折不愈合的因素是（） ["高龄","糖尿病","骨折部位血肿","骨折间有软组织嵌入","畸形位置固定"]
唇周日和鼻部疖肿的危险性是由干引起（） ["鼻部感染","眼部感染","颅内化脓性感染","脓毒症","菌血症"]
锅炉爆炸的条件是什么？
