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: Surgery
Immediate treatment of compound fracture of tibia is 
Select and explain. 
A. Intravenous antibiotics, B. Thorough debridement, C. Internal fixation of fracture, D. Amputation of limb
B: Thorough debridement
Answer: B: Thorough debridement 
Explanation: B i.e. Thorough debridement