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': 'Bohler angle measurement gives the reference for ? \nSelect and explain. \nA. Calcaneus, B. Talus, C. Navicular, D. Cuboid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Calcaneum Tuber angle of Bohler and crucial angle of Gissane are measured in fracture calcaneumQ. Air', 'role': 'assistant'}]