This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
[{'content': 'The trabeculae carneae is present in \nSelect and explain. \nA. Left atrium, B. Left ventricle, C. Right atrium, D. Right ventricle', 'role': 'user'}, {'content': "Answer: D \nExplanation: In right ventricle,the interior of the inflowing pa shows trabeculae carneae or muscular ridges of 3 types. 1.Ridges or fixed elevations. 2.Bridges 3.Pillars or papillary muscles Ref:B D Chaurasia's human anatomy,vol.1.", 'role': 'assistant'}]