下面不是急性胰腺炎血清淀粉酶变化特点的是（）
A.发病后数小时升高
B.4～5日降至正常
C.24h达到高峰
D.1～2周降至正常
参考答案：D
20世纪60年代初，美国的费根鲍姆和朱兰提出了（）的概念。
The nurse is caring for a client who recently underwent a total hip replacement. The nurse should
A．ease the client onto a low toilet seat.
B．allow the client's legs to be crossed at the knees when out of bed.
C．use soft chairs when the client is sitting out of bed.
D．limit client hip flexion when sitting.
