A 5-Year-Old Patient Has Fallen and Injured Her Right Arm

A 5-year-old patient has fallen and injured her right arm during play therapy.Why does the physician order radiographs of both arms?

A) The noninjured arm could have been injured in the fall.
B) Fracture lines of long bones in children are difficult to distinguish from normal growth lines, which make comparison films necessary.
C) The battered child syndrome can be diagnosed by documenting multiple fractures.
D) All the above.