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
Leukotrienes cause all of the following, EXCEPT: 
Select and explain. 
A. Vasodilation, B. Vasoconstriction, C. Increased vascular permeability, D. None of the above
A: Vasodilation
Answer: A: Vasodilation 
Explanation: Principal Inflammatory Actions of Arachidonic Acid Metabolites (Eicosanoids) ACTION EICOSANOIDS Vasodilation PGI2 (prostacyclin), PGE1, PGE2, PGD2 Vasoconstriction Thromboxane A2, leukotrienes C4, D4, E4 Increased vascular permeability Leukotrienes C4, D4, E4 Ref: Robbins 8th edition Chapter 2.