<prompt> The MOST commonly affected aeries seen by aeriography in Takayasus aeritis is:Abdominal aoaCommon carotidSubclanAoic arch or root  <response>: Frequency of aeriographic abnormalities in Takayasus AeritisSubclan 93Common carotid 58Abdominal aoa 47Renal 38Aoic arch or root 35Pulmonary 10-40Coronary Ref: Harrisons principles of internal medicine, 18th edition, Page: 2796. 