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': 'AVN is seen in which type of # of femur-a) Intertrochantric #b) Subcapital #c) Trans cervical #d) Basal # \nSelect and explain. \nA. bcd, B. acd, C. ac, D. bd', 'role': 'user'}, {'content': 'Answer: A \nExplanation: AVN occurs after fracture at all three sites, but at different frequency.\nHere the examiner is not asking about most common site of fracture which causes AVN and the question is of PGI chandigarh, where more than one options can be correct.', 'role': 'assistant'}]