This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hemolytic Anemias: Basic concepts and classification, Subject name: Pathology
[{'content': 'Military policy dictates that flight personnel in Iraq receive primaquine chemoprophylaxis for Plasmodium vivax malaria on redeploying to a non-malarious area. Several days after beginning such a regimen, a 26-year-old African-American pilot develops anemia, hemoglobinemia, and hemoglobinuria. Special studies will likely reveal an abnormality in which of the following? \nSelect and explain. \nA. Duffy antigen, B. G6PD, C. Intrinsic factor, D. PIG-A', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Question shows features of hemolysis after giving anti-malarial drug . - This along with history suggests the diagnosis of G6PD deficiency. - Conditions resulting in oxidative stress are: Infections - Pnemonia, sepsis etc Drugs- anti malarials, sulfa drugs, anti-TB drugs Foods', 'role': 'assistant'}]