This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pediatrics
[{'content': 'A newborn baby develops cyanosis on day three of life. On auscultation, there is a systolic murmur. Echocardiography reveals a cyanotic hea disease in the baby. Which one of the following drugs can be administered to prolong the life of the baby pending intervention ? \nSelect and explain. \nA. Indomethacin, B. Ibuprofen, C. Prostaglandin E1, D. Propanolol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: PGE1 help to reduce cyanosis in selected cases by keeping PDA open. Ref : Ghai essential of pediatrics, eighth edition, p.no:425', 'role': 'assistant'}]