This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorder of Metabolism & Connective Tissue, Subject name: Medicine
Brodie Tredelenburg test is done for? 
Select and explain. 
A. Sapheno-femoral incompetence, B. Deep Vein thrombosis, C. Varicose veins, D. Superficial migratory thrombophlebitis
A: Sapheno-femoral incompetence
Answer: A: Sapheno-femoral incompetence 
Explanation: Ans. (a) Sapheno-femoral incompetenceRef.: SRB manual of surgery Page 228, 4th editionBrodie-Trendelenburg test is used to detect venous incompetence and to differentiate between perforator and Great saphenous incompetence.