When applying heat or cold applications, which statement is incorrect?

The choice stating that "Let the person choose the application site" is incorrect because, while patient involvement in their care is essential, the selection of the application site for heat or cold treatment should be based on specific medical considerations and the healthcare provider's guidance. The application site is typically determined by the area needing treatment, the type of condition being addressed, and specific anatomical considerations, rather than the patient's preference alone.

In practice, it is critical to ensure that heat or cold is applied to an area that is clinically appropriate for the treatment to be effective. For example, when treating muscle strains or joint pain, the application needs to be on or near the affected area for therapeutic effect.

The other statements underscore important practices that enhance safety and effectiveness during heat or cold therapy. Understanding how to use the equipment properly ensures that the application is administered correctly and safely. Exposing only the application site helps maintain the desired temperature directly at the target area while protecting other skin regions from unintended effects. Having the signal light within the person's reach ensures they can call for assistance if they experience discomfort or need to terminate the treatment. These practices are fundamental in wound care and physical therapy contexts.