This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood Vessels of Thorax, Subject name: Anatomy
[{'content': 'Which is a direct branch of arch of aorta- \nSelect and explain. \nA. Right subclavian artery, B. Right common carotid artery, C. Brachiocephalic trunk, D. Right coronary artery', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Brachiocephalic trunk o Branches of arch of aorta areBrachiocephalic trunkLeft common carotid arteryLeft subclavian arteryo Right common carotid artery and right subclavian artery arise from brachiocephalic trunk (Brachiocephalic trunk divides into right common carotid and right subclavian arteries).", 'role': 'assistant'}]