This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood, Subject name: Medicine
[{'content': 'This is the peripheral smear of which disease? \nSelect and explain. \nA. Thalassemia, B. Irion deficiency anemia, C. Sickle cell anemia, D. Sideroblastic anemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Sickle cell anemiaSickle cell anemia. The elongated and crescent-shaped red blood cells seen on this smear represent circulating irreversibly sickled cells. Target cells and a nucleated red blood cell are also seen.', 'role': 'assistant'}]