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': 'IL - I produces - \nSelect and explain. \nA. T lymphocyte activation, B. Delayed wound healing, C. Increased pain perception, D. Decreased PMN release from bone marrow', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Interleukin -1 \n\nAlso known as leucocyte activating factor (LAF) or B cell activating factor (BAF).\n\n\nPrincipally secreted by macrophages and monocytes, and epithelial cells.\nOther sources are B lymphocytes, fibroblasts and endothelial cells.\nImmunological effects-\n\n- Activation of T cells for the production of IL - 2.\n- B cell proliferation and antibody synthesis\n- Neutrophil chemotaxis and increased PMN release from bone marrow.\n- Increases body temperature (important endogenous pyrogen).\n- Bone marrow cell proliferation\n- Induction of acute phase protein.', 'role': 'assistant'}]