<prompt> A 32 weeks premature infants, 900gm weight on the third days. The serum billirubin is 13 mg. The treatment of choice is ___Exchange transfusionPhototherapyWait and watch therapyPharmacologic therapy  <response>: 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 