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': "Shenton's line is a radiological line used to determine the pathology of: \nSelect and explain. \nA. Hip, B. Ankle, C. Elbow, D. Shoulder", 'role': 'user'}, {'content': "Answer: A \nExplanation: Shenton's line is an imaginary semi-circular line joining medial coex of the femoral neck to lower border of the superior pubic ramus. Shenton's line is broken in posterior dislocation of the hip. Ref: Essential Ohopedics by Maheshwari, 3rd edition, Page 111.", 'role': 'assistant'}]