This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Double bubble sign in children seen in AJE ? \nSelect and explain. \nA. Ladds band, B. Annular pancreas, C. Pancreatic pseudocyst, D. Diaphragmatic hernia', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Diaphragmatic hernia o Obstruction of 2nd pa of duodenum cause double bubble sign on plain abdominal radiograph. o It may be due to - i) Annular pancreas ii) Pancreatic pseudocyst iii) Ladds band iv) Tumor in the head of the pancrease", 'role': 'assistant'}]