This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
Acrodermatitis enteropathica is seen with deficiency of: 
Select and explain. 
A. Zinc, B. Iron, C. Copper, D. Vitamin A
A: Zinc
Answer: A: Zinc 
Explanation: a. Zinc(Ref: Nelson's 20/cp 344-345, Ghai B/e p 121-122)Deficiency of zinc leads to acrodermatitis enteropathica, in which rashes shown on skin, especially around the orifices.