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: Surgery
The procedure of choice for the evaluation of aoic aneurysm is - 
Select and explain. 
A. Ultasonography, B. Computed tomography, C. Magnetic resonance imaging, D. Aeriography
B: Computed tomography
Answer: B: Computed tomography 
Explanation: Ans. is 'b' i.e. Computed tomography "CT is the most precise test for imaging aoic aneurysm" - Sabiston 'As a preoperative scanning tool, CT scan is the gold standard. Angiography has largely been replaced by contrast CT scanning" - Schwaz