血浆中能与铁结合的转铁蛋白称为（）。
A.未饱和铁结合力
B.转铁蛋白饱和度
C.铁蛋白
D.转铁蛋白
E.总铁结合力
参考答案：E
When administering gentamicin to a preschooler, which of the following monitoring schedules is best for determining the drug’s effectiveness（）
A. A serum trough level every morning.
B. A serum peak level after the second dose.
C. A serum trough and peak level around the third dose.
D. Serial serum trough levels after three doses (24 hours).
初产妇，33岁，妊娠39周。不规律宫缩3小时，B超检查：胎儿双顶径为10cm，该孕妇空腹血糖为8.2mmol/L。该孕妇最适合的分娩方式是（）
A.剖宫产
B.自然分娩
C.胎头吸引
D.产钳助产
E.会阴侧切
