This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Dental
[{'content': 'This type of skin lesions are seen in deficiency of which element? \nSelect and explain. \nA. Iodine, B. Zinc, C. Copper, D. Chromium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Psoriasiform facial lesions of zinc deficiency dermatitis. Similar lesions on the feet with secondary nail dystrophy may also been seen.', 'role': 'assistant'}]