A nurse is caring for multiple clients at a pediatric clinic. Which of the following clients should the nurse identify as being at the highest risk of child maltreatment?

A 3-year-old child who has cystic fibrosis

A 12-year-old child who has diabetes mellitus

A 6-year-old child who is recovering from mononucleosis

An 8-year-old child who has a fractured tibia following a soccer game