纵隔肿瘤中，下述哪一项属于生殖细胞瘤的范畴() ["A．胚胎癌","B．畸胎瘤","C．精原细胞瘤","D．浸润性胸腺瘤","E．绒毛膜上皮癌"]
肺转移瘤的诊断主要靠() ["A．支气管镜检查","B．痰细胞学检查","C．肺穿刺活检","D．胸部X线检查","E．肺放射性核素检查"]
肺癌发热的主要原因是() ["A．阻塞性肺炎","B．癌性毒素","C．骨髓转移","D．药物","E．感染"]
局部浸润，淋巴结和血行转移都早的肺癌，病理类型是() ["A．小细胞未分化癌","B．大细胞未分化癌","C．鳞癌","D．腺癌","E．混合瘤"]
右肺上中下三叶共分多少肺段() ["A．6个","B．8个","C．10个","D．12个","E．13个"]
代谢性酸中毒的基本特征是血浆_________浓度原发性减少，血浆SB、AB、BB均________，BE负值__________。
