溶血性黄疸时，胆红素代谢主要特点是（） ["血清非结合胆红素增高","血清结合胆红素增高","尿胆红素阳性","尿内尿胆原减少","结合胆红素／非结合胆红素＞20%"]
对原发性肝癌的早期诊断最有价值的是（） ["LDH","GGT","A／G","AFP","CEA"]
下列可引起血清钠增高的是（） ["大面积烧伤","胃肠引流","肾上腺皮质功能减退症","原发性醛固酮增多症","大量应用利尿剂"]
缺铁性贫血患者的典型红细胞形态是（） ["巨红细胞","大红细胞","球形红细胞","红细胞大小不均","低色素性小红细胞"]
骨髓片成熟红细胞与有核细胞之比为50：1，增生程度是（） ["明显活跃","极度活跃","活跃","减低","极度减低"]
将提高领导效能的原则和方法分述一下。
