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: Medicine
[{'content': 'All are true regarding Anaemia of Chronic Diseases, except \nSelect and explain. \nA. Decreased serum Fe, B. Decreased Ferritin, C. Decreased Total Fe Binding Capacity, D. Increased Bone Marrow Fe', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Serum ferritin levels are increased in anaemia of chronic disorder & is the most distinguishing feature between true iron deficiency anaemia\xa0& iron-deficient\xa0erythropoiesis in anaemia of disease.\xa0\nA defect in the transfer of iron from macrophages to the developing erythroid cells in the marrow leads to reduced availability\xa0of iron for haem synthesis despite adequate iron stores, elevating serum.', 'role': 'assistant'}]