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: Surgery
[{'content': 'AVN is seen in: \nSelect and explain. \nA. Navicular fracture, B. Talus fracture, C. Calcaneal fracture, D. Cuboid fracture', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B i.e. Talus fracture Fracture through neck of femur, neck of talus and waist of Scapho d can lead to AVN', 'role': 'assistant'}]