Regulation of homeostatic changes associated with fluids and electrolytes in infants and young children is much slower than in adults because of children's:
a. proportionately smaller stomach and intestines
b. immature kidneys and buffering systems
c. differences in the chemical composition of the body
d. immature nervous systems
B
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A Incorrect: The proportionately smaller stomach and intestines in infants and young children are not a factor in the regulation of homeostatic changes associated with fluids and electrolytes.
B Correct: Regulation of homeostatic changes associated with fluids and electrolytes in infants and young children is much slower than in adults because of children's immature kidneys and buffering systems. Children need more water to excrete a given amount of solute.
C Incorrect: Differences in the chemical composition of the body of children compared with adults are not a factor in the regulation of homeostatic changes associated with fluids and electrolytes.
D Incorrect: Immature nervous systems of infants and children are not a factor in the regulation of homeostatic changes associated with fluids and electrolytes.
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