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: Pathology
[{'content': 'Lipoxins synthesized from the arachidonic acid act by- \nSelect and explain. \nA. Increase leucocyte migration, adhesion, chemotaxis, B. Vasoconstriction, C. Increased vascular permeability, D. Decreases leucocyte migration, adhesion, chemotaxis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Effects of lipoxins (LXA4, LXB4) are\n\nInhibit neutrophil chemotaxis and leukocyte recruitment (major action).\nVasodilatation\nPromote monocytic phagocytosis of apoptotic neutrophils.', 'role': 'assistant'}]