6、炎症的中心环节是

A、组织损伤                                                        B、血管反应

C、纤维增生                                                        D、神经反射

7、肉芽肿性病灶可见于

A、结核、梅毒                                                    B、麻风、阿米巴病

C、伤寒、菌痢                                                    D、鼠疫、血吸虫病

8、胃肠道肿瘤血道转移最常见的脏器是

A、肝脏                                                               B、肺脏

C、脑                                                                  D、骨

9、易于恶变的色素细胞病变是

A、皮内痣                                                           B、混合痣

C、交界痣                                                           D、黑色素瘤

10、目前，肿瘤诊断最可靠的方法是

A、活组织检查                                                    B、脱落细胞学检查

C、组织化学检查                                                 D、分子生物学检查