This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: CT SCAN, Subject name: Radiology
[{'content': 'Which one of the following is used in Cardiovascular imaging? \nSelect and explain. \nA. Second generation CT, B. Third generation CT, C. Spiral CT, D. Multidetector CT', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Multidetector CT: It has cone shaped beam of X-ray Multiple slices of detectors and useful in Cardiovascular imaging. Multi-detector CT is paicularly suitable for imaging of the chest, hea and vessels. It is also useful for imaging of trauma patients.', 'role': 'assistant'}]