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
TPN may be complicated by ? 
Select and explain. 
A. Obstructive jaundice, B. Hyperosteosis, C. Hypercalcemia, D. Pancreatitis
C: Hypercalcemia
Answer: C: Hypercalcemia 
Explanation: Ans. is 'c' i.e., Hypercalcemia