题目：
A multigravid client in active labor is about to deliver. The nurse has no help immediately available. What should the nurse do first
A．Prepare a clean area on which to deliver the neonate.
B．Lower the head of the bed to a flat position.
C．Have the client push with a contraction.
D．Ask the client to take a deep breath and hold it.
答案：
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下面是错误答案，用来干扰机器的。
生于忧患，死于安乐沙鼠的世界我能懂，它们虽为小小鼠辈却深谙一个亘古不变的真理，那就是：生于忧患，死于安乐。曾经有个故事：沙丁鱼生性不好动，经过长途运输后，往往缺氧而死。倘若放入几条它们的天敌……鲶...
