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: Pediatrics
[{'content': 'A two-year-old boy is brought to emergency with severe anemia (Hb = 2 gm%) and features of congestive hea failure. The most appropriate immediate therapy for this boy would be- \nSelect and explain. \nA. Packed cell transfusion, B. Paial exchange transfusion, C. Whole blood transfusion, D. Parenteral iron injection', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Packed cell transfusion", 'role': 'assistant'}]