Which statement best describes why infants are at greater risk for dehydration than older children?
a. Infants have an increased ability to concentrate urine.
b. Infants have a greater volume of intracellular fluid.
c. Infants have a smaller body surface area.
d. Infants have an increased extracellular fluid volume.
D
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A Because the kidneys are immature in early infancy, there is a decreased ability to
concentrate the urine.
B Infants have a larger proportion of fluid in the extracellular space.
C Infants have proportionately greater body surface area in relation to body mass,
which creates the potential for greater fluid loss through the skin and
gastrointestinal tract.
D The larger ratio of extracellular fluid to intracellular fluid predisposes the infant
to dehydration.
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