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
Hanging cast is used for 
Select and explain. 
A. Radius fracture, B. Humerus fracture, C. Femur fracture, D. Fibula fracture
B: Humerus fracture
Answer: B: Humerus fracture 
Explanation: None