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
All of the following vascular changes are observed in acute inflammation, except - 
Select and explain. 
A. Vasodilation, B. Stasis of blood, C. Increased vascular permeability, D. Decreased hydrostatic pressure
D: Decreased hydrostatic pressure
Answer: D: Decreased hydrostatic pressure 
Explanation: Ans is 'd' i.e., Decreased hydrostatic pressure With acute inflammation hydrostatic pressure is increased (due to increased blood flow from vasodilation) and at the same time osmotic pressure is reduced because of protein leakage (due to increased permeability)