细胞凋亡
系统性红斑狼疮的X线表现有() ["A．斑点或片状浸润性阴影","B．网状或结节状阴影","C．绒毛状或蝴蝶状实变阴影","D．胸腔积液或胸膜增厚","E．心脏阴影增大"]
弥漫性肺间质纤维化常见于下列哪些疾病() ["A．肺类风湿病","B．系统性红斑狼疮","C．皮肌炎","D．系统性硬皮病","E．风湿性肺炎"]
胸片示边缘锐利的球形肿块，可能的诊断有() ["A．先天性肺囊肿","B．肺隔离症","C．慢性肺脓肿","D．周围型肺癌","E．肺错构瘤"]
胃肠道给药在通过________及_______时经受灭活代谢，使其进入体循环的药量减少，称为首关消除。
药物血浆半衰期
