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: Microbiology
[{'content': 'Which of the following chemical mediators of inflammation is an example of a C-X-C or alpha chemokine - \nSelect and explain. \nA. Lipoxin LXA-4, B. Interleukin IL-8, C. Interleukin IL-6, D. Monocyte chemoattractant protein MCP-1', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Chemokines\n\nChemokines are a family of small proteins that act primary as chemoattractants for specific types of leukocytes.\n\n\nThey are classified into four major groups according to the arrangement of the conserved cysteine (C) residues in mature proteins.', 'role': 'assistant'}]