Pharmacology All of the following are true about prostaglandin E2 except : A It is the principal prostaglandin synthesized in the stomach B Its biosynthesis is inhibited by aspirin C It stimulates gastric acid secretion D It causes dilatation of submucosa blood vessels π‘ Explanation All of the following are true about prostaglandin E2 except : β Correct Answer: C. It stimulates gastric acid secretion