This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper Limb Traumatology, Subject name: Orthopaedics
What is application of Plaster of Paris all around the surface called ? 
Select and explain. 
A. Cast, B. Slab, C. Spica, D. None of the Above
A: Cast
Answer: A: Cast 
Explanation: Plaster of Paris with water :- When applied on one surface - Slab When applied all around- Cast When goes around the spine (limb+spine) - Spica