This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular Radiology, Subject name: Radiology
By which of the following condition, aoa is at more risk of getting inflammed (aoitis)? 
Select and explain. 
A. Ascending Aoic Aneurysm, B. Abdominal Aoic Aneurysm, C. Thoracic Aoic Aneurysm, D. Narrow superior mediastinum
A: Ascending Aoic Aneurysm
Answer: A: Ascending Aoic Aneurysm 
Explanation: * Ascending Aoic Aneurysms are commonly associated with vasculitis and syphilis with aoa involvement. Point to be remembered: * M/C cause for Abdominal & thoracic aoic aneurysm - Atherosclerosis.