This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
IL-1 produces: 
Select and explain. 
A. T lymphocyte activation, B. Delayed wound healing, C. Increased pain perception, D. Decreased PMN release from bone marrow
A: T lymphocyte activation
Answer: A: T lymphocyte activation 
Explanation: IL-1 in response to injury increases T lymphocyte activationIt is secreted by phagocytesAlso increases PMN release from bone marrowIts actions are:Promotes wound healingDiminishes pain perceptionIncreases body temperature(ref: Harrison's 18/e p2659, table 314-7)