霍奇金与非霍奇金淋巴瘤在组织学上的主要区别在于前者有() ["A．R-S细胞","B．大量炎症细胞","C．大量分化不成熟细胞","D．核分裂象少见","E．异形组织细胞"]
大浴池消毒采用()浴槽消毒，气泡浴消毒采用() ["A．循环水过滤，加氯法","B．稀释的DA-高效清洗消毒净法","C．洗刷加换水","D．紫外线","E．84消毒液"]
淋巴瘤的B症状包括() ["A．发热","B．盗汗","C．腹痛","D．体重下降","E．瘙痒"]
试述发绀的类型及其特点。
淋巴母细胞性淋巴瘤的特点是() ["A．为B细胞来源","B．源于胸腺","C．多为T细胞来源","D．青少年多见","E．预后差"]
重症贫血患者为何一般不出现发绀?
