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
Fracture of femur at the level of isthmus is best treated by 
Select and explain. 
A. Intramedullary nail fixation, B. Plate and screws, C. Closed method, D. External fixation
A: Intramedullary nail fixation
Answer: A: Intramedullary nail fixation 
Explanation: A i.e. Intramedullary nail fixation