This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
Judkins technique used for? 
Select and explain. 
A. Central venous line placement, B. Coronary aeriography, C. Renal aniography, D. Chest tube inseion
B: Coronary aeriography
Answer: B: Coronary aeriography 
Explanation: Catheters used for performing coronary angiography the femoral aery were developed by Melvin Judkins, MD; thus, the method often is referred to as the Judkins technique. This widely used method requires separate preformed catheters for the right and left coronary aeries . Ref -davidson 23rd edition pg 491