This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thigh, Knee,Leg,Foot & Ankle injuries, Subject name: Orthopaedics
[{'content': "Gissane's angle in the intraaicular fracture of Calcaneum- \nSelect and explain. \nA. Reduced, B. Increased, C. Not changed, D. Variable", 'role': 'user'}, {'content': "Answer: B \nExplanation: *Bohler's angle is reduced in intra-aicular calcaneal fracture. *Crucial angle of Gissane is increased in intra-aicular calcaneum fractures. Ref : Ebnezar 4th ed pg.293", 'role': 'assistant'}]