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
The skin changes seen in protein energy malnutrition can be due to deficiency all of the following nutrients except - 
Select and explain. 
A. Zinc, B. Tryptophan, C. Essential fatty acids, D. Pyridoxine
D: Pyridoxine
Answer: D: Pyridoxine 
Explanation: Ans. is 'd' i.e., Pyridoxine