The Nurse Is Working in a Pediatric Surgical Unit

The nurse is working in a pediatric surgical unit.In discussing patient-controlled analgesia (PCA) in a preop parental meeting,the nurse would explain that PCA is most appropriate for the:

A) Developmentally delayed 16-year-old postop bone surgery.
B) 4-year-old postop tonsillectomy.
C) 10-year-old who has a fractured femur and concussion from a bike accident.
D) 12-year-old postop spinal fusion for scoliosis.