This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
[{'content': 'About Ebstein anomaly, all the following are true except \nSelect and explain. \nA. Left atrial enlargement, B. Right atrial enlargement, C. Left ventricular enlargement, D. Right ventricular enlargement', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ebstein anomaly:Rare cyanotic congenital hea diseaseTricuspid valve malformedPhysiological obstruction across the tricuspid valveDeoxygenated blood shunted from right atrium to left atrium then left ventricleSmall right ventricle in severe cases fails to open pulmonary value and behave like functional pulmonary atresia.(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 2221 - 2222)", 'role': 'assistant'}]