Certified Hand Therapist (CHT) Practice Exam

Which of the following is a distinguishing feature of a Grade 0 scar?

1. Painful and raised

2. Flat and pliable

3. Thickened and itchy

4. Hyperemic and inflexible

The correct answer is: Flat and pliable

A Grade 0 scar is characterized as being flat and pliable, indicating that it is still at an early stage of healing or has healed in a way that does not alter the skin's normal appearance or function significantly. This type of scar does not display the characteristics associated with more advanced scarring, such as hypertrophy or inflammation. Flat and pliable scars have a good texture and flexibility, making movement easier and often causing no discomfort to the individual. In contrast, other options describe scarring that involves more significant tissue changes. Painful and raised scars, for instance, indicate a more severe reaction or a keloid formation, while thickened and itchy scars suggest irritation or an abnormal healing response. Hyperemic and inflexible scars often suggest vascular changes and stiffness in the tissue, signals of more advanced scarring rather than the benign nature of a Grade 0 scar. Therefore, the flat and pliable feature is essential for distinguishing a Grade 0 scar from the others mentioned.