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': 'Crista terminalis is present in ? \nSelect and explain. \nA. Left atrium, B. Left ventricle, C. Right atrium, D. Right ventricle', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Crista terminalis (divides the right atrium into anterior and posterior pa) is a ridge of smooth muscle fibers extending from the SVC to valve of IVC. It is developed from embryonic right venous valve and is represented on the surface by sulcus terminalis.', 'role': 'assistant'}]