Which healing phase is characterized by fibroblast activity and collagen realignment?

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Prepare for the BOC Domain 4 Treatment and Rehab Test. Access study materials like flashcards and multiple choice questions with explanations. Enhance your understanding and be ready to ace the exam!

Multiple Choice

Which healing phase is characterized by fibroblast activity and collagen realignment?

Explanation:
Remodeling (maturation) is the phase where collagen laid down earlier is reorganized to increase tissue strength. Fibroblasts stay active to remodel the extracellular matrix, and collagen fibers are realigned along the tissue’s lines of stress and cross-linked to become sturdier. Over time, type III collagen is replaced by stronger type I collagen, and the scar gradually becomes more organized, though it may never reach the strength of uninjured tissue.

Remodeling (maturation) is the phase where collagen laid down earlier is reorganized to increase tissue strength. Fibroblasts stay active to remodel the extracellular matrix, and collagen fibers are realigned along the tissue’s lines of stress and cross-linked to become sturdier. Over time, type III collagen is replaced by stronger type I collagen, and the scar gradually becomes more organized, though it may never reach the strength of uninjured tissue.

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