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: Pediatrics
Edema in nephrotic syndrome is mainly due to 
Select and explain. 
A. Sodium and water retention, B. Increased Venous pressure, C. Hypoalbuminemia, D. All of the above
C: Hypoalbuminemia
Answer: C: Hypoalbuminemia 
Explanation: Hypoalbuminemia reduces colloid osmotic pressure leading to activation of RAAS and edema.