矽肺造成的肺部纤维化是() ["A.稳定而无明显变化的弥漫性肺纤维化","B.局部性纤维化","C.时轻时重的纤维化","D.慢性进行性弥漫性纤维化","E.纤维化的吸收与肺实质的修复同时进行"]
营养素
呼吸系统X线检查的正确顺序是() ["A.CT-血管造影-胸片","B.血管造影-胸片-CT","C.胸片-CT-血管造影","D.CT-胸片-血管造影","E.胸片-血管造影-CT"]
神经纤维传导兴奋的特征() ["A.完整性","B.绝缘性","C.兴奋的总和","D.双向性","E.相对疲劳性"]
无机盐
恩格尔系数