National Physical Therapy Examination (NPTE) Practice Exam

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What is the best intervention to prevent hypertrophic scar formation following severe chemical burns?

  1. Pressure garments

  2. Functional positioning for the legs

  3. A walking exercise program

  4. Prolonged muscle stretching

The correct answer is: Pressure garments

The best intervention to prevent hypertrophic scar formation following severe chemical burns is the use of pressure garments. These garments apply consistent pressure on the healing skin, which helps to flatten and soften the scar tissue as it forms. By creating a controlled environment around the affected area, pressure garments can significantly reduce the risk of excessive collagen deposition that leads to hypertrophic scars. Pressure garments should be used for prolonged periods, often recommended to be worn for at least 23 hours a day, especially during the early stages of scar formation. This consistent pressure inhibits the overproduction of collagen and encourages a more normalized healing process. The other options, while beneficial in various rehabilitation contexts, do not directly address the prevention of hypertrophic scarring specifically. Functional positioning for the legs is important for maintaining joint mobility and preventing contractures, but it does not exert the necessary pressure to affect scar formation. A walking exercise program is crucial for functional mobility and recovery, but it does not influence the healing process of scars. Prolonged muscle stretching can assist with flexibility and function, but like the other options, it does not target scar formation in the same effective manner as pressure garments.