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: Dental
[{'content': 'Acrodermatitis entropathica is seen with deficiency of – \nSelect and explain. \nA. Zinc, B. Iron, C. Copper, D. Vit A', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Zinc absorption in young patients with acrodermatitis enteropathica is low.\nTypically starts after weaning or earlier if the infant is not given breast milk.\nThe child turns peevish, withdrawn and photophobic, and develops a vesicobullous dermatitis on hands, feet and periorificial areas.\nThe scalp hair is lost. Diarrhoea is often present. Growth is stunted and there is a decreased resistance to infections. Wound healing is poor and skin lesions do not heal.\nOral zinc in a dose of about 2 mg/kg/day is given for treatment.', 'role': 'assistant'}]