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': 'Post traumatic avascular necrosis is seen all of the following fractures except? \nSelect and explain. \nA. Waist of scaphoid, B. Neck of femur, C. Neck of talus, D. Surgical neck of humerus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Avascular necrosis is commonly seen in Fracture femoral neck, fracture neck of talus, fracture waist of scaphoid and lunate, fracture neck of talus. Ref: Maheshwari, 3rd Edition, Pages 40-41', 'role': 'assistant'}]