This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Apa from T & B lymphocytes, the other class of lymphocytes is - \nSelect and explain. \nA. Macrophages, B. Astrocytes, C. NK cells, D. Langerhans cells', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lymphocytes include natural killer cells (NK cells) (which function in cell-mediated, cytotoxic innate immunity), T cells (for cell-mediated, cytotoxic adaptive immunity), and B cells (for humoral, antibody-driven adaptive immunity). Reff: Ananthanarayanan & panikers textbook of microbiology 9th edition pg:132', 'role': 'assistant'}]