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: Radiology
[{'content': 'IOC for removascular hypertension \nSelect and explain. \nA. IVP, B. Captopril induced radio nucleotide scan, C. Spiral CT, D. MR angiography', 'role': 'user'}, {'content': 'Answer: D \nExplanation: IOC for Renovascular hypertension - MR angio.\nCatopril renal scintigraphy - preferred screening test.\nSpiral CT : Most sensitive and specific screening (after angio).', 'role': 'assistant'}]