This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: nutrition and digestion, Subject name: Biochemistry
[{'content': 'Which of the following elements is known to influence the body&;a ability to handle oxidative stress? \nSelect and explain. \nA. Calcium, B. Iron, C. Potassium, D. Selenium', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Selenium acts as a nonspecific intracellular anti-oxidant. This action of Se is complementary to vitamin E. Availability of vitamin E reduces the selenium requirement. In Se deficiency, tissue vitamin E content is depleted.', 'role': 'assistant'}]