This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
Anti inflamatory action of coicosteroids is due to blocking of 
Select and explain. 
A. 15 lipoxygenase, B. Prostaglandin synthetase, C. Thromboxane synthetase, D. Breakdown of phospholipids
D: Breakdown of phospholipids
Answer: D: Breakdown of phospholipids 
Explanation: Breakdown of phospholipids cause the release of phospholipase A2 from the cell membrane Coicosteroid helps in induction of lipocoins in macrophages. Lipocoins inhibits phospholipase A2. This lead to decreased production of prostaglandins, Leukotriens.Thus pro inflammatory mediators are reduced. (REF.Essential of medical pharmacology K D TRIPATHI 6 Edition, Page No - 279)