This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Management in Orthopedics, Subject name: Orthopaedics
Turn-buckle cast is used for - 
Select and explain. 
A. Fracture shaft humerus, B. Fracture shaft femur, C. Scoliosis, D. Cervical spine injury
C: Scoliosis
Answer: C: Scoliosis 
Explanation: Turn- buckle cast and Risser&;s cast are used in case of SCOLIOSIS. Minerva cast- cervical spine disease. U-slab or hanging cast- fracture of humerus. Hip spica - fracture of femur. REF:Essential ohopaedics- Maheshwari-5 th edn- pg no 17.