Vascular volume increases by 40% to 60% during pregnancy to:
a. Compensate for decreased renal plasma flow.
b. Provide adequate perfusion of the placenta.
c. Eliminate metabolic wastes of the mother.
d. Prevent maternal and fetal dehydration.
B
The primary function of increased vascular volume is to transport oxygen and nutrients to the fetus via the placenta.
Renal plasma flow increases during pregnancy.
Assisting with pulling metabolic wastes from the fetus for maternal excretion is one purpose of the increased vascular volume.
This is not the primary reason for the increase in volume.
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