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: Surgery
Following TPN, weight loss is seen - 
Select and explain. 
A. Up to 7 days, B. 7-10th day, C. 10-15th day, D. 15th day onwards
A: Up to 7 days
Answer: A: Up to 7 days 
Explanation: None