This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Malnutrition, Subject name: Pediatrics
[{'content': 'The following rashes seen in a previously well 5 month old child can be treated by administration of \nSelect and explain. \nA. Calcium, B. Pyridoxine, C. Niacin, D. Zinc', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Deficiency of zinc leads to Acrodermatitis enteropathica -rashes seen especially around the orifices. Acrodermatitis enteropathica is a genetic AR disorder Characterized by periorificial dermatitis, alopecia, and diarrhea. Caused by mutations in the gene that encodes a membrane protein that binds zinc in the intestine. Treatment - Oral zinc supplementation', 'role': 'assistant'}]