This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'Ceruloplasmin binds \nSelect and explain. \nA. Iron, B. Copper, C. Zinc, D. Manganese', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ceruloplasmin -Transpo of copper(table no32-6).(REF: GANONG'S REVIEW OF MEDICAL PHYSIOLOGY 23rd EDITION page no.532)", 'role': 'assistant'}]