This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New born infants, Subject name: Pediatrics
[{'content': 'A 32 weeks premature infants, 900gm weight on the third days. The serum billirubin is 13 mg%. The treatment of choice is ___________ \nSelect and explain. \nA. Exchange transfusion, B. Phototherapy, C. Wait and watch therapy, D. Pharmacologic therapy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Low bih weight babies having high serum bilirubin may need exchanged transfusion treatment. An exchange transfusion is a blood transfusion in which the patient&;s blood or components of it are exchanged with other blood or blood products. The patient&;s blood is removed and replaced by donated blood or blood components. This exchange transfusion can be performed manually or using a machine . Reference: GHAI Essential pediatrics, 8th edition', 'role': 'assistant'}]