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: Anatomy
[{'content': 'Most common diaphragmatic hernia is: \nSelect and explain. \nA. Bochdalek hernia, B. Morgagni hernia, C. Paraesophagel hernia, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Diaphragmatic hernias are of various types. The most common is a posterolateral (Bochdalek) hernia, which occurs as a result of a defect in the posterior diaphragm in the region of the tenth or eleventh ribs.', 'role': 'assistant'}]