UKMLA PLAB AMC USMLE Prometric MCQ

a) is most commonly performed to detect the site of varicreal bleeding
b) alcoholic cirrhosis is most likely to lead to POST-sinusoidal obstruction
c) in arterial portography portal vein opacification is maximal between 40-60 seconds after injection
d) in transhepatic portography the needle should be wothdrawn completely before every re-attempt
e) in splenoportography the use of gelatin sponges to plug the tract is contraindicated