室上速时不适合直流电复律的情况是(). ["低血压","应用洋地黄者","食管心房调搏无效时","严重心绞痛","充血性心力衰竭"]
对于癌症患者的全身活动功能评定,Karnofsky患者活动状况评定分级标准不使用以下哪一项作为评分依据() ["患者疼痛程度","患者能否自理生活","患者是否需要他人照顾","患者能否工作","患者能否进行正常生活"]
软盘写保护后能文件。() ["存","取","存/取","修改"]
患者男,40岁。平时性情急躁易怒,近2周失眠多梦,头晕,口舌溃疡肿痛,尿黄,大便干结,舌红苔黄,脉数的临床意义是() ["A.肝火上炎证","B.心火亢盛证","C.胃火上冲证","D.脾胃湿热证","E.肾火上炎证"]
房室结折返性心动过速通常是通过(). ["慢径路下传,快径路逆传","快路径下传,再由快路径逆传","快径路下传,慢径路逆传","慢路径下传,再由慢路径逆传","以上都不对"]
简述巨幼细胞性贫血的骨髓象特征。