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
Immediate treatment of compound fracture of tibia is-a) Intravenous antibioticsb) Thorough debridementc) Internal fixation of fractured) Amputation of limb 
Select and explain. 
A. ab, B. bc, C. abc, D. bcd
C: abc
Answer: C: abc 
Explanation: Treatment of compound fracture of tibia is based on same principles as other fracture : -


Antibiotic prophylaxis
Urgent wound and fracture debridement.
Stabilization of the fracture by internal or external fixation.
Early definitive wound cover.


Fracture fixation recommendation for compound tibia fractures are as follow : -


Grade I  → Internal fixation by intramedullary nailing.
Grade II & IIIA → Internal fixation by intramedullary nail or external fixator depending on situation.
Grade IIIB & IIIC → External fixator.