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
Technical, infectious, and metabolic complications occur in total parenteral nutrition (TPN). Which of the following is NOT a complication of TPN? 
Select and explain. 
A. Metabolic bone disease, B. Essential fatty acid deficiency, C. Congestive cardiac failure, D. Hypomagnesemia
C: Congestive cardiac failure
Answer: C: Congestive cardiac failure 
Explanation: Major metabolic complications of total parenteral nutrition: Azotemia Essential fatty acid deficiency Vitamin and trace element deficiency Fluid overload Hyperchloremic metabolic acidosis Hypomagnesemia Metabolic bone disease Intrinsic liver disease Electrolyte imbalances Ref: Barbour J.R., Barbour E.F., Herrmann V.M. (2010). Chapter 10. Surgical Metabolism & Nutrition. In G.M. Dohey (Ed), CURRENT Diagnosis & Treatment: Surgery, 13e.