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
Gamma nail is used in treatment of 
Select and explain. 
A. Fracture neck femur, B. Intertrochanteric femur fracture, C. Ankle arthrodesis, D. Hip arthrodesis
B: Intertrochanteric femur fracture
Answer: B: Intertrochanteric femur fracture 
Explanation: Smith Peterson Nail - Fracture neck femur 
Gamma Nail - Intertrochanteric femur fracture
Cobra Plates - Hip arthrodesis