第10题: [单项选择]患者体表面积为1.7m2,输注血小板6袋,每袋含血小板5.5×1010,输入6袋后血小板增加4.5×1010,则CCI值为()。 A. 5.5×109/ml B. 1.7×1010/ml C. 2.3×1010/ml D. 4.5×1010/ml E. 6.2×1010/ml 参考答案:C 答案解析:校正血小板计数增加值(CCI)是评价血小板疗效的常用指标,CCI=(输注后血小板计数-输注前血小板计数)×á体表面积/输入血小板总数。CCI=4.5×1010×á1.7/(6×5.5×1010)×10
第22题: [简答题] Christopher Columbus arrived in America (11) ____________.
The Indians taught the early settlers about the local crops like (12)____________, corn and (13) ____________; they introduced the Europeans to (14) ____________ and to the turkey.
参考答案:make national parks