Epidermal Layers

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Questions and Answers

Which layer of the epidermis is responsible for producing keratin?

  • Stratum spinosum
  • Stratum lucidum
  • Stratum germinativum
  • Stratum granulosum (correct)

What is the function of melanocytes in the skin?

  • To produce pigment (correct)
  • To provide UV protection
  • To produce keratin
  • To secrete cytokines and inflammatory mediators

Which pigment is responsible for red hair and is concentrated in lips, areola, and genitals?

  • Pheomelanin (correct)
  • Melanocyte
  • Eumelanin
  • Tyrosine

What causes albinism?

<p>Lack of tyrosine (D)</p> Signup and view all the answers

Which layer of the epidermis is composed of dead, keratinized cells?

<p>Stratum corneum (A)</p> Signup and view all the answers

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