应进行胸部增强CT检查的可疑疾病是() ["A．支气管扩张","B．中心型肺癌伴肺不张","C．纵隔成熟型畸胎瘤","D．特发性肺间质纤维化","E．胸膜钙化"]
标记PET显像剂的放射性核素为() ["A．γ光子发射核素","B．中子源核素","C．β射线源核素","D．α射线源核素","E．正电子发射源核素"]
核素肺灌注显像主要诊断的疾病是() ["A．急性肺栓塞","B．慢性支气管炎","C．肺结核","D．肺内占位性病变","E．呼吸道阻塞"]
典型麻疹可分以下四期________、_________、_________、____________。
下列肺梗死CT特点，错误的是() ["A．肺外带楔形致密影","B．质地均匀，实质密度，无透光区","C．多为3～5cm，大者可达10cm","D．有时可见到与之相通的血管影","E．可伴急性肺水肿"]
麻疹患儿发热_______天出疹，出疹期体温_______。
