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
In Aspirin mechanism of action 
Select and explain. 
A. Lipooxygenase decreased, B. Cyclooxygenase decreased, C. Phospholipase, D. Increased Lipoxygenase
B: Cyclooxygenase decreased
Answer: B: Cyclooxygenase decreased 
Explanation: (B) Cyclooxygenase decreased # Aspirin acts by inhibiting cyclooxygenase enzyme, thereby inhibiting prostaglandin synthesis.> Leukotriens acts by inhibiting Lipooxygenase> Steroids acts by inhibiting phospholipase