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
Russel and Taylor classification is used for 
Select and explain. 
A. Fracture Neck of femur, B. Subtrochanteric femoral fracture, C. Shaft of Tibia fracture, D. Humerus shaft fracture
B: Subtrochanteric femoral fracture
Answer: B: Subtrochanteric femoral fracture 
Explanation: None