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': 'Oxygenated blood to the fetus is carried by \nSelect and explain. \nA. Umbilical aery, B. Umbilical vein, C. SVC, D. Pulmonary aery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Fetus receive oxygenated blood from placenta left and right umbilical vein. Ref : Ghai Essential pediatrics,eighth edition ,p.no:402', 'role': 'assistant'}]