This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
Most common cause of amputation is 
Select and explain. 
A. Trauma, B. Peripheral vascular disease, C. Frost bite, D. Burns
B: Peripheral vascular disease
Answer: B: Peripheral vascular disease 
Explanation: None