The nurse recognizes that the primary effect of pregnancy on a woman with a preexisting heart disease is:
a. The shunting of blood to the fetus reduces the mother's cardiac workload.
b. Increased renal blood flow, which promotes elimination of excess fluid.
c. Decreased venous return, which decreases blood pressure.
d. The workload of the heart is greatly increased.
ANS: D
The hemodynamic changes that occur during pregnancy (increased cardiac output, heart rate, blood, and stroke volume) increase the workload of the heart, placing the woman with a preexisting heart disease at risk for heart failure.
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