This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hemoglobinopathies: Sickle cell anemia, Subject name: Pathology
[{'content': "Coomb's negative condition with spherocytes on peripheral smear amongst the following is: \nSelect and explain. \nA. G6PD Deficiency, B. Paroxysmal nocturnal hemoglobinuria, C. Hemolytic disease of newborn, D. AIHA", 'role': 'user'}, {'content': "Answer: A \nExplanation: - G6PD deficiency is Coomb's -ve condition as it is inherited condition & is not related to antibodies. - Remaining all conditions given in other options are Coomb's positive conditions.", 'role': 'assistant'}]