下列有关食管异物的说法中,不正确的是:() ["进食时忌匆忙,尤其吃带有刺食物时更应注意","老年人应及时修理损坏的假牙","误咽异物后,小者可用进食饭团或韭菜等方法将异物推下,不奏效时及时就医","食管异物取出后,应酌情禁食并给予足量的抗生素","食管异物合并纵隔脓肿时,及时请胸外科医师处理"]
铬酸盐制造工人所患法定职业肿瘤为() ["皮肤癌","肺癌","前列腺肿瘤","白血病","间皮瘤"]
氯甲醚可引起的法定职业肿瘤为() ["肺癌","皮肤癌","白血病","肾脏肿瘤","胃癌"]
食管腐蚀伤后最常见的狭窄部位是:() ["A.食管入口","B.左支气管压迹处","C.主动脉弓压迹处","D.食管下段横膈以上","E.贲门"]
防止噪声危害最根本的措施是() ["制定合理的噪声卫生标准","控制噪声传播和反射","控制和消除噪声源","使用有效的个人防护用品","厂区厂房的合理规划"]
防止高频电磁场对人体作用的正确措施是()