This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
[{'content': 'Which does not cause sideroblastic anaemia- \nSelect and explain. \nA. INH, B. Chloramphenicol, C. Myelodysplastic anaemia, D. Mercury', 'role': 'user'}, {'content': 'Answer: D \nExplanation: sideroblastic anemia etiology: Drugs :INH, pyrazinamide, cycloserine, chloramphenicol,penicillamine Ref:Postgraduate Hematology by Victor Hoffbrand pg 43,table 3.7 In one of the subtypes of MDS refractory anemia with ringed sideroblasts are seen. Sideroblastic anemia, or sideroachresticanemia, is a form of anemia in which the bone marrow produces ringed sideroblastsrather than healthy red blood cells (erythrocytes) Ref:Postgraduate Hematology by Victor Hoffbrand pg 505 , table 28.2 Ref Robbins 9/e pg412', 'role': 'assistant'}]