有关上颌窦癌描述，正确的是() ["A．多为腺癌","B．多为继发","C．窦腔内可见不规则软组织肿块，增强明显，伴骨质破坏","D．上颌窦外侧壁破坏最多见","E．常向右下角扩展"]
吸入麻醉
患儿出生24小时，体重3200g，血清总胆红素18mg/dl(307.8μmol/L)，未结合胆红素15mg/dl(156.5μmol/L)。新生儿严重黄疸发生惊厥时，最好选择下列哪种药物止惊() ["A．水合氯醛","B．安定","C．副醛","D．苯巴比妥钠","E．氯丙嗪"]
常规咽部CT扫描要求病人做到() ["A．平静呼吸状态","B．呼气后屏气","C．鼓气状态","D．发“E”音状态","E．吸气后屏气"]
远距离治疗
近距离治疗
