鼻咽部恶性肿瘤有何X线表现?
结合肺段模式图，右肺下叶的组成是() ["A．G+H+I+J","B．F+G+H+I+J","C．E+F+G+H+I+J","D．D+E+F+G+H+I+J","E．C+D+E+F+G+H+I+J"]
急性风湿热的次要表现，下述哪一项是错误的() ["A．发热、关节痛","B．既往有风湿热病史","C．血沉增快","D．心电图窦性心动过速","E．CRP阳性"]
3岁以上儿童哮喘诊断依据中，错误的是() ["A．抗生素治疗有明显疗效","B．喘息呈反复发作","C．发作时肺部出现喘鸣音","D．沙丁胺醇气雾剂有明显疗效","E．肾上腺素皮下注射有明显疗效"]
鼻旁窦疾病有何X线改变?
咽后壁脓肿有何X线表现?
