A nurse is reinforcing education to the caregiver of a 2-year-old toddler diagnosed with lead poisoning. Which of the following statements should the nurse make?

"You should give the child calcium supplements to treat the lead poisoning."

"Prevent the child from playing in areas where lead-based paint may have been used."

"Make sure to cook and store food in lead crystal containers to avoid contamination."

"Let the child play outside often to dilute the concentration of lead in their body."