亚急性感染性心内膜炎,最常发生于() ["先天性心血管病","风湿性心瓣膜病","心脏手术后","梅毒性心脏病","正常心脏"]
泪道冲洗时,水由下泪小点进入,自下泪小点流出,未见脓性分泌物,其诊断为()。 ["泪小管阻塞","泪小点闭塞","泪小管炎","慢性泪囊炎","鼻泪道阻塞"]
慢粒最突出的特征是() ["粒细胞显著增多,脾明显肿大","肝肿大","腹胀,食后饱胀","乏力、低热、多汗","骨痛明显"]
新生儿高胆红素血症,可导致()。 ["败血症","支气管肺炎","胆红素脑病","颅内出血","破伤风"]
FAB分类,哪项POX反应、非特异酯酶均阴性() ["M2a","ALL-L3","M3b","M5","M4EO"]
引起红斑反应最强的波段是____的紫外线。