The resulting scar of the maturation phase is how strong compared to the original?

Prepare for the Physical Therapist Assistant Exam. Study using flashcards and multiple choice questions, each with hints and explanations. Ace your exam!

Multiple Choice

The resulting scar of the maturation phase is how strong compared to the original?

Explanation:
In wound healing, the remodeling (maturation) phase increases the scar’s tensile strength as collagen is realigned and cross-linked, and fibers orient along the lines of mechanical stress. This gradual remodeling lets the scar approach—but not reach—the strength of the original tissue. The typical outcome is around 80% of the original strength, commonly cited as roughly 80–85%. That’s why this option best fits: the scar is strong, but not quite as strong as the uninjured tissue. The other ranges are too low or too high for most matured scars.

In wound healing, the remodeling (maturation) phase increases the scar’s tensile strength as collagen is realigned and cross-linked, and fibers orient along the lines of mechanical stress. This gradual remodeling lets the scar approach—but not reach—the strength of the original tissue. The typical outcome is around 80% of the original strength, commonly cited as roughly 80–85%. That’s why this option best fits: the scar is strong, but not quite as strong as the uninjured tissue. The other ranges are too low or too high for most matured scars.

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