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
[{'content': 'Edema in nephrotic syndrome is mainly due to \nSelect and explain. \nA. Sodium and water retention, B. Increased Venous pressure, C. Hypoalbuminemia, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hypoalbuminemia reduces colloid osmotic pressure leading to activation of RAAS and edema.', 'role': 'assistant'}]