What are the fluid compartment consequences of hypertonic overhydration?
A. ECF compartment volume contracts, ICF volume contracts
B. ECF compartment volume contracts, ICF volume remains the same
C. ECF compartment volume expands, ICF volume contracts
D. ECF compartment volume expands, ICF volume remains the same
C
Hypertonic overhydration is caused by an excessive sodium intake. The hyperosmolarity of the plasma and interstitial compartments draws fluid from the intracellular fluid (ICF) compartment. Thus the ECF volume expands and the ICF volume contracts.
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