The nurse is preparing a 4-day-old infant with a serum bilirubin level of 19 mg/dL (325 µmol/L) for discharge from the hospital. When teaching the parents about home phototherapy, which instruction should the nurse include in the discharge teaching plan?Reference RangeTotal Bilirubin [Reference Range: Newborn: 0.1 to 10.5 mg/dL (1.7 to 180 µmol/L)]