The immobilization of a fracture (for example of hands and legs) is done by fixing with splints two joints adjacent to the fracture, above and below the fracture site. Under the splint a soft gauze bandage (or cotton wool) is applied to prevent injury to the soft tissues. If splints are not available, the immobilization can be done with scarves or triangular cloths. The fractured bone is placed on the piece of cloth, as straight as possible, and the corners of the material are tied so that it can be suspended. For example, the forearm is placed on the piece of cloth and the tied corners are passed around the neck to support the hand in a horizontal position.
A plastic sheet generally does not have good resistance, may be too elastic, will not let the skin breathe and sweating may occur.
SPLINT, splints = A piece (made of wood, cardboard or metal) used to immobilize fractured limbs temporarily. Therefore, by using rigid cardboard you would make a splint, and the question refers to the situation in which splints are not used.
The correct answer is: B
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