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
The femur is fractured at bih at 
Select and explain. 
A. Upper third of shaft, B. Middle third of shaft, C. Lower third of shaft, D. Neck region
A: Upper third of shaft
Answer: A: Upper third of shaft 
Explanation: A i.e. Upper third of shaft