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
[{'content': 'Acrodermatitis enteropathica is seen with deficiency of: \nSelect and explain. \nA. Zinc, B. Iron, C. Copper, D. Vitamin A', 'role': 'user'}, {'content': "Answer: A \nExplanation: 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.", 'role': 'assistant'}]