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': 'Injury to the median nerve occurs frequently when following artery is used for taking an ABG sample: \nSelect and explain. \nA. Radial artery, B. Brachial artery, C. External carotid artery, D. Femoral artery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]