Wound Care Certified Certification (WCC) Practice Exam

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What is the maximum tensile strength of scar tissue?

50%
80%
100%
75%

The correct answer is: 80%

Scar tissue is formed during the wound healing process through a process known as fibrosis. While the body is capable of healing and regenerating tissues, the newly formed scar tissue does not possess the same properties as the original tissue. The maximum tensile strength of scar tissue is generally recognized to reach about 80% of the original tissue strength. This level is significant as it indicates that although scar tissue can adequately repair the area, it may still be weaker and more susceptible to injury compared to the uninjured skin or tissue. The 80% tensile strength indicates the body's capability to restore functional integrity, while also highlighting the inherent risks, such as increased vulnerability during intense physical activity or trauma. This understanding is crucial for healthcare providers when managing patients with scars, especially in guiding rehabilitation programs and monitoring for complications related to scar tissue.