下列哪种炎症介质不具有阳性趋化作用() ["A．白细胞三烯B","B．C5A","C．TNF","D．IL-8","E．缓激肽"]
一期愈合
胃食管反流的主要症状为（） ["A．便秘","B．恶心","C．呕吐","D．腹痛","E．腹泻"]
关于胃炎错误的是() ["A．胃窦炎最多见","B．急性胃炎多为继发性","C．慢性胃炎多为原发性","D．分为急性和慢性两类","E．慢性胃炎与HP无关"]
肺癌中易于发生肺内及胸膜转移的组织学类型是() ["A．鳞癌","B．腺癌","C．小细胞癌","D．大细胞癌","E．类癌"]
结核球
