This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vascular surgery, Subject name: Surgery
All are done for a case of deep vein thrombosis except 
Select and explain. 
A. Thrombolytic therapy, B. Bandage, C. Heparin, D. Bed rest
D: Bed rest
Answer: D: Bed rest 
Explanation: Prolonged immobilization is a risk factor for DVT so it is not advisable. Low molecular weight heparin, warfarin is used in management, green ivc filter, thrombolysis, bandage may also be used. Reference Bailey and love, 27th edition, page 990