This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins and Nutritional Deficiencies, Subject name: Social & Preventive Medicine
[{'content': 'Chromium deficiency may lead to:- \nSelect and explain. \nA. Insulin dysfunction, B. Cardiomyopathy, C. Endocarditis, D. External ophthalmoplegia', 'role': 'user'}, {'content': "Answer: A \nExplanation: NUTRITIONAL DEFICIENCIES:- Chromium deficiency causes Insulin dysfunction resulting in Glucose intolerance. Copper deficiency causes : Neutropenia Selenium deficiency : Endemic cardiomyopathy (Keshan's disease) Zinc deficiency : growth failure, delayed wound healing, pernicious anemia Molybdenum deficiency: mouth and esophageal cancer Vit E deficiency : Progressive external ophthalmoplegia.", 'role': 'assistant'}]