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: Skin
[{'content': 'Acrodermatitis entero pathica is d/t deficiency of: \nSelect and explain. \nA. Zn, B. Se, C. Cu, D. Cr', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A. i.e. Zn Autosomal recessiveQ disorder acrodermatitis enteropathica d/t deficiency of zinc0 is characterized by diarrhea, depression, eczematous dermatitis, alopecia and lethargy. (Mn- DEAL). Zn supplementation rapidly improves conditionQ.', 'role': 'assistant'}]