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What role do fibroblast cells play in the dermis?

  1. Store fat

  2. Protect against UV rays

  3. Responsible for the formation of fibers and production of collagen and elastin

  4. Produce sweat

The correct answer is: Responsible for the formation of fibers and production of collagen and elastin

Fibroblast cells play a critical role in maintaining the structural integrity of the dermis by producing collagen and elastin fibers. These fibers provide support and elasticity to the skin, helping to keep it firm and youthful. Option A is incorrect because fat storage is the role of adipocytes, not fibroblast cells. Option B is incorrect because protection against UV rays is the role of melanocytes, not fibroblast cells. Option D is incorrect because sweat production is the role of eccrine sweat glands, not fibroblast cells.