Transcript text: A child admitted to the hospital for meningitis suddenly reports stomach cramps, anorexia, and vomiting. The nurse finds the child to be irritable with altered consciousness. The child's serum sodium levels are found to be $120 \mathrm{mEq} / \mathrm{L}$. Which would be the most appropriate immediate next step of the nurse?
Restrict oral fluids.
Give intravenous fluids.
Restrict sodium consumption.
Administer analgesic and antiemetic drugs.