10 Questions
In the fetus, where is the majority of water distributed early in gestation?
Extracellular fluid (ECF)
What occurs with diuresis in the first week of life in a neonate?
Physiological contraction of ECF volume
What is the proportion of body weight that water makes up at term in a fetus?
75%
What factor contributes to the shift of water from ECF to ICF compartments in a fetus by term?
Increase in body fat content
What is the primary role of the fetal kidneys before 34 weeks of gestation?
Regulate amniotic fluid volume
What is the main component of the body's extracellular fluid (ECF)?
Plasma and interstitial spaces
What contributes to the shift of water from the extracellular (ECF) to intracellular (ICF) compartments in a fetus by term?
Decrease in body fat content
What causes the postnatal weight loss in term infants in the first week of life?
Physiologic contraction of ECF volume with diuresis
What is the primary role of the fetal kidneys before 34 weeks of gestation?
Regulation of amniotic fluid volume
What contributes to the acute increase in intravascular volume after birth?
Timing of cord clamping
Test your knowledge of fetal and neonatal fluid homeostasis with this quiz. Explore the distribution of body water in the fetus and newborn, including changes in total body water content and its distribution as gestation progresses.
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