This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous QBank, Subject name: Medicine
A patient of total parenteral nutrition develops delayed wound healing, loss of taste, deficient immunity and diarrhea. It could be due to deficiency of: 
Select and explain. 
A. Selenium, B. Copper, C. Zinc, D. Iron
C: Zinc
Answer: C: Zinc 
Explanation: Zinc, a trace mineral, plays a fundamental role in the overall success of many body functions and zinc deficiency can negatively affect wound healing. Plays a rolein cell division, cell growth, wound healing, and the breakdown of carbohydrates. Zincis also needed for the senses of smell and taste