A client has had a cylinder cast applied to her tibia after suffering a fracture during a soccer game. What is the primary purpose of a cast?
A) To maintain constant tension on injured bones to promote healing
B) To temporarily reduce the weight-bearing ability of the injured limb
C) To preserve the neurovascular function of the injured limb
D) To immobilize injured bones to facilitate reunion
D
Feedback:
The purpose of the cast is to immobilize the injured structure. Casts do not provide tension. Maintaining neurovascular function is imperative when a client has a cast in place, but this is not the purpose of the cast itself. Similarly, reduction of weight-bearing undoubtedly occurs, but this is not the central purpose of a cast.
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