This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (C.V.S.), Subject name: Medicine
Judkins technique is used for? 
Select and explain. 
A. Central venous line placement, B. Coronary arteriography, C. Renal angiography, D. Chest tube insertion
B: Coronary arteriography
Answer: B: Coronary arteriography 
Explanation: Ans. (b) Coronary arteriographyRef: Braunwald's Heart Disease ninth edition chapter 20