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: Anatomy
[{'content': 'Occlusion occurs at the 2nd part of axillary artery, blood flow is maintained by anastamosis between : \nSelect and explain. \nA. Anterior and posterior circumflex humeral artery, B. Circumflex scapular and posterior circumflex humeral artery, C. Deep branch of the transverse cervical artery and subscapular artery, D. Anterior circumflex artery and subscapular artery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Anastomosis around scapula maintains the blood supply when there is an obstruction at 2nd part of axillary artery.\nAnastomosis around body of scapula :\nThis is formed by\n\nSuprascapular branch of subclavian artery.\nDeep branch of transverse cervical artery which is a branch of thyrocervical trunk from subclavian artery and\nCircumflex scapular branch of subscapular artery from 3rd part of axillary artery.\n\nAnastomosis on the acromion process :\nThis is formed by\n\nAcromial branch of thoracoacromial artery from 2nd part of axillary artery.\nAscending branch of posterior circumflex humeral artery from 3rd part of axillary artery and\nAcromial branch of Suprascapular artery from subclavian artery.', 'role': 'assistant'}]