第18题: [单项选择]癌性胸水具有下列特点中的() A. 比重小于1.018 B. 蛋白含量低于3g/dl C. 细胞总数不超过100个/μl D. LDH含量高于血清 E. 胸水蛋白/血清蛋白<0.5 参考答案:D 答案解析:癌性胸水应符合渗出液特点,包括:外观混浊或为血性,比重>1.018、细胞数>500×106/L、胸液李凡他试验(+)、蛋白含量≥30g/L、符合Light标准。
第24题: [单项选择]The American Council on graduate, medical education is A. controlled by the American Medical Association. B. controlled by the federal government. C. the most authoritative medical association in the US. D. a non-governmental body. 参考答案:D 答案解析:[解析] 本题考查细节。在文章第二段第三句作者说:“Such training…is controlled by a guasi autonomous non-governmental body ca