产生IL-2的细胞是() ["嗜酸性粒细胞","肥大细胞","T淋巴细胞","B细胞","巨噬细胞"]
什么是醌类?天然醌类化合物有哪些类型?
患者女,28岁。阵发性心悸3年,每次突然发生,可自行终止,持续10分钟至3小时不等。查体:甲状腺不大,心界稍大,心率180次/分,律齐,杂音听不清。刺激悬雍垂后,心率突然降至75次/分,停止刺激未再变化,最可能诊断为() ["阵发性室上性心动过速","窦性心动过速","心房扑动","阵发性室性心动过速","阵发性房颤"]
Th2细胞主要分泌() ["IFN-α","IL-4","IFN-γ","TNF-β","IL-2"]
淮南师范学院学生会的各部门部室例会在周几() ["周一","周二","周三","周四"]
木脂素按基本碳架和缩合情况分成哪些类型?