The nurse is developing a plan of care for a 1-day-old newborn client with erythroblastosis fetalis whose bilirubin level is not decreasing with phototherapy Which ot the following would be a priority for the nurse to include in the plan of care?
A. Increase the newborn's PO intake.
B. Prepare for an exchange transfusion
C. Monitor the newborn for hypocalcemia
D. Perform a neurological exam on the newborn