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': 'Inversion injury at the ankle can cause all of the following except - \nSelect and explain. \nA. Fracture tip of lateral melleolus, B. Fracture base of the 5th metatarsal, C. Sprain of Ext. Digitorum brevis, D. Fracture of sustentaculam tali', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Structures damaged due to inversion injury\n\nPeroneal tendon injury.\nAvulsion fracture of tip of lateral malleolus.\nAvulsion fracture of anterolateral surface of talus & calcaneum (sustentaculum tali).\nFracture of base of 5th metatarsal.\nLateral collateral ligament injury (anterior tato fibular > calcaneofibular > posterior- talofibular ligament).\nMedial malleolus fracture.', 'role': 'assistant'}]