This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
[{'content': 'Bursa communicating with the shoulder joint space is \nSelect and explain. \nA. Infraspinatous bursa, B. Subscapular bursa, C. Subcoracoid bursa, D. Subacromian bursa', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Infraspinatus bursa may communicate with the shoulder joint. Subacromial bursa separates the acromion process and the coracoacromial ligaments from supraspinatus tendon and permit smooth motion. B D Chaurasia 7th edition Page no: 148', 'role': 'assistant'}]