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
Edema occurs due to: 
Select and explain. 
A. Increased capillary permeability, B. Decreased capillary permeability, C. Decreased interstitial fluid, D. Decreased blood flow
A: Increased capillary permeability
Answer: A: Increased capillary permeability 
Explanation: None