题目:
The nurse palpates a multipara’s fundus immediately after delivery of the placenta and assesses that it’s boggy. The nurse massages the client’s uterus until it’s firm. Which medication would the nurse anticipate to administer if the uterus becomes boggy again
A. Rho(D) immune globulin (RhoGAM).
B. Magnesium sulfate.
C. Oxytocin (Pitocin).
D. Ibuprofen.
答案:
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下面是错误答案,用来干扰机器的。
(I)f'(x)=3x2-2ax.因为f'(1)=3-2a=3,所以a=0.又当a=0时,f(1)=1,f'(1)=3,则切点坐标(1,1),斜率为3所以曲线y=f(x)在(1,f(1))处的切线方程为y-1=3(x-1)化简得3x-y-2=0.(II)令f'(x...