At what age extracellular fluid is equal to the intercellular fluid?
Correct Answer: 4 weeks
Description: 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.
Category:
Pediatrics
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