This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Pharmacology), Subject name: Pharmacology
[{'content': 'In Aspirin mechanism of action \nSelect and explain. \nA. Lipooxygenase decreased, B. Cyclooxygenase decreased, C. Phospholipase, D. Increased Lipoxygenase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (B) Cyclooxygenase decreased # Aspirin acts by inhibiting cyclooxygenase enzyme, thereby inhibiting prostaglandin synthesis.> Leukotriens acts by inhibiting Lipooxygenase> Steroids acts by inhibiting phospholipase', 'role': 'assistant'}]