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 is due to 
Select and explain. 
A. Increased albumin in blood and decreased globin, B. Decreased albumin conc. in blood, C. Increased osmotic pressure, D. None of the above
B: Decreased albumin conc. in blood
Answer: B: Decreased albumin conc. in blood 
Explanation: None