Certified Hand Therapist (CHT) Practice Exam

A Grade 2 scar is characterized by being inflexible, which significantly impacts its surrounding tissues and can lead to joint limitation and pain. Such scars typically result from deeper injuries, such as second-degree burns or surgical incisions, which can affect not just the skin but also deeper structures, including muscle and fascia. The inflexibility of the scar tissue restricts movement and can prevent the normal range of motion in adjacent joints, resulting in pain when the affected area is used. In contrast, the other descriptions do not align with the characteristics of a Grade 2 scar. For instance, a grade that involves numbness and pallor in fingers would relate more to neural issues rather than scarring. Similarly, a non-painful flat scar that is pliable indicates a Grade 1 scar or a more superficial healing process that does not impede flexibility or cause discomfort. The fibrous enlargement of a nerve due to repetitive trauma suggests a different pathological process related to nerve involvement rather than the characteristics of a scar tissue grade.