This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy and physiology of bone and fracture healing, Subject name: Orthopaedics
[{'content': "Frieberg's disease involve \nSelect and explain. \nA. Tibial tuberosity, B. Calcaneal tuberosity, C. 2nd metatarsal, D. 5th metarasal", 'role': 'user'}, {'content': 'Answer: C \nExplanation: condition characterized by infarction and fracture of the metatarsal head. Most often seen in 2nd metatarsal (MT) head, paicularly the dorsal aspect4th and 5th MT rarely affected Bony nucleus of epiphysis is affected in osteochondritis Ref: Maheshwari and Mhaskar 6e pg 318.', 'role': 'assistant'}]