若欲定量与定向分析流体，宜采用() ["A．2D-TOF ","B．3D-TOF ","C．2D-PC ","D．3D-PC ","E．黑血法"]
磺胺药有哪几类?各有何特点?
恶性肿瘤常表现如下病理学特点() ["A．浸润性生长方式 ","B．细胞异形性明显 ","C．可见病理核分裂像 ","D．血管丰富 ","E．可伴有肿瘤坏死 "]
NK细胞的抗肿瘤机制有() ["A．吞噬作用 ","B．释放细胞因子 ","C．引起靶细胞凋亡 ","D．ADCC作用 ","E．释放穿孔素和颗粒酶使靶细胞溶解 "]
眨眼反射可用于诊断损害部位，证实_____病变的存在。
何谓化疗?
