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: Dental
[{'content': 'Which of the following are antigen-presenting cells? \nSelect and explain. \nA. Neutrophils, B. T-lymphocytes, C. Macrophages, D. Plasma cells', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Neutrophils are one of the primary defense cells of the innate immune system. T-lymphocytes are important activators of the specific (adaptive) immune system. Macrophages are antigen presenting cells. Plasma cells produce antibodies.', 'role': 'assistant'}]