This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, 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: A condition characterized by\xa0infarction\xa0and\xa0fracture of the metatarsal head.\nMost often seen in 2nd metatarsal (MT) head, particularly the dorsal aspect4th and 5th MT rarely affected', 'role': 'assistant'}]