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
Open fracture is treated by 
Select and explain. 
A. Tourniquet, B. Internal fixation, C. Debridement, D. External fixation
C: Debridement
Answer: C: Debridement 
Explanation: C i.e. Debridement