At what age extracellular fluid is equal to the intercellular fluid?
b. 4 weeks(Ref: Avery's 8/e p 373)High Yield Points:In fetus & newborn, ECF volume is larger than ICF volume.Normal postnatal diuresis causes an immediate decrease in the ECF volume.This is followed by continued expansion of ICF volume, which results from cellular growth.By 1 year of age, the ratio of the ICF to ECF volume approaches adult levels.
14 days
4 weeks
2 months
3 months
Fluid and Electrolyte Treatment of Specific Disorders