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': 'Traumatic avascular necrosis occurs in which fracture -a) Neck femurb) Surgical neck humerusc) Talusd) Lunatee) Scaphoid \nSelect and explain. \nA. acd, B. ad, C. bc, D. bde', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Traumatic AVN is seen in fracture neck femur, fracture scaphoid waist, fracture falus neck and dislocation of hip', 'role': 'assistant'}]