This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Exsanguination is one of the first steps before application of a tourniquet preoperatively. All the following are contraindications for exsanguination except 
Select and explain. 
A. Deep vein thrombosis, B. Underlying fracture, C. Presence of infection, D. Tumour
B: Underlying fracture
Answer: B: Underlying fracture 
Explanation: Presence of underlying infection or tumor is an absolute contra indication for exsanguination since that can cause dissemination. Fatal pulmonary embolism may result if exsanguination is done over underlying deep vein thrombosis