(Solved): A nurse is caring for a school-age child who has dehydration and is receiving an oral rehydration s ...

A nurse is caring for a school-age child who has dehydration and is receiving an oral rehydration solution. Which of the following laboratory results indicates that the treatment regimen is effective? Hematocrit 45\% Urine specific gravity 1.035 Serum sodium \( 138 \mathrm{mEq} / \mathrm{L} \) BUN \( 19 \mathrm{mg} / \mathrm{dL} \)