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': 'Axillary aery give rise to 6 main branches. Which of the following is the largest branch of axillary aery? \nSelect and explain. \nA. Lateral thoracic aery, B. Subscapular aery, C. Superior thoracic aery, D. Thoracoacromial aery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Subscapular aery is the largest branch of the axillary aery. It arise at the lower border of the subscapularis muscle and descend along the axillary border of the scapula. It give rise to two branches thoracodorsal aery and circumflex scapular aery.', 'role': 'assistant'}]