This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal  disorders, Subject name: Pediatrics
[{'content': 'Which of the following features defines toddler fracture \nSelect and explain. \nA. Subluxation of the radial head, B. Salter Harris type 3 fracture of the distal fibular epiphysis, C. Fracture of the distal radius, D. Spiral fracture of the tibia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Toddler fractures occur in young ambulatory children (from 9 months to 3 years). A toddler&;s fracture is a spiral or oblique undisplaced fracture of the distal shaft of the tibia with an intact fibula. The periosteum remains intact and the bone is stable. These fractures occur as a result of a twisting injury. Reference: GHAI Essential pediatrics, 8th edition', 'role': 'assistant'}]