转移性纵隔淋巴结肿大，最常见的原发肿瘤是() ["A．原发性肝癌","B．成骨肉瘤","C．类癌","D．结肠癌","E．泌尿生殖系统肿瘤"]
由坐骨神经支配的肌是() ["A．臀大肌","B．臀中肌","C．臀小肌","D．股二头肌","E．股四头肌"]
垂柳征最常见于() ["A．肺炎","B．慢性纤维空洞型肺结核","C．肺癌","D．肺脓肿","E．结节病"]
重症肺炎(severecasepneumonia)
下列疾病的肺纹理特点，哪项是错误的() ["A．先天性心脏病患者，肺纹理可增粗","B．先天性心脏病患者，肺纹理可变细","C．慢性支气管炎患者，肺纹理普遍稀少","D．肺气肿患者，肺纹理稀少","E．支气管扩张患者，可有局限性肺纹理增多"]
低氧血症(hypoxemia)
