This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
[{'content': 'Interleukin 2 is secreted by \nSelect and explain. \nA. CD4 cells / T helper cell, B. Macrophage, C. CDS cells, D. Common T cell', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) CD4 cells / T helper cell# Interleukin - 2: Is produced by - T-helper cell or CD4 cells Function - It causes T cell growth & activation> Interleukin -1: Is secreted by phagocytes Function - T cell activation; Fever; Cachexia> Interleukin - 3: Produced by T cells Function: Hematopoiesis> Also remember: II-4, IL-6, IL-8, IL-10, IL-12 T cell, Mast cell, T cell Macrophage, Macrophages, T cells, B cells, macrophage', 'role': 'assistant'}]