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 arachidonic acid act by? \nSelect and explain. \nA. Decrease leucocyte migration, adhesion, chemotaxis, B. Increase leucocyte migration, adhesion, chemotaxis, C. Vasoconstrictio, D. Increased vascular permeability', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Decrease leucocyte migration, adhesion, chemotaxis Effects of lipoxins (LXA4, LXB4 ) are :? Inhibit neutrophil chemotaxis and leukocyte recruitment (major action). Vasodilatation Promote moncytic phagocytosis of apoptotic neutrophils.", 'role': 'assistant'}]