This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plasma Cell Disorders and Multiple myeloma, Subject name: Pathology
[{'content': 'Proliferation and survival of myeloma cells are dependent on which of the following cytokines? \nSelect and explain. \nA. IL-1, B. IL-6, C. IL-2, D. IL-5', 'role': 'user'}, {'content': 'Answer: B \nExplanation: IL-6 helps in survival and proliferation of myeloma cells Other options: IL 5 - chemoattractant for eosinophils IL-1 - recruits leukocytes and thus induces inflammation IL-2 - a growth factor for T lymphocytes', 'role': 'assistant'}]