What type of solution is used to replace electrolytes and expand plasma volume?
a. Isotonic solution
b. Hypotonic solution
c. Hypertonic solution
d. Dextrose solution
ANS: C
Hypertonic fluids pull fluid from the interstitial space into venous circulation, expanding plasma volume. Lactated Ringer's solution is a hypertonic solution that also replaces electrolytes. Isotonic solutions are not generally given to replace electrolytes. Hypotonic and dextrose solutions will shrink plasma volume.
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