Wound Care Certified Certification (WCC) Practice Exam

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What is one function of the extracellular matrix found in the dermis?

  1. Regulates temperature

  2. Provides structural support for cells

  3. Produces collagen

  4. Facilitates absorption

The correct answer is: Provides structural support for cells

The extracellular matrix (ECM) found in the dermis plays a crucial role in providing structural support for cells. This matrix is composed of a variety of proteins, glycoproteins, and polysaccharides, which together create a scaffold that helps maintain the organization and integrity of the tissue. The structural support provided by the ECM is vital for the anchorage of cells, allowing them to maintain their shape and function within the tissue. It also serves as a medium through which cells can communicate and interact with one another, contributing to important processes such as tissue repair and regeneration. While regulating temperature, producing collagen, and facilitating absorption are important functions related to skin and its components, the direct support role of the ECM is fundamental in helping maintain the architecture necessary for these functions to be performed effectively.