Layers of the Epidermis Biology Quiz

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Questions and Answers

Which layer of the epidermis is responsible for continuous cell division?

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

In which type of skin is the stratum lucidum present?

  • Skin of the scalp
  • Both thin and thick skin
  • Thick skin (correct)
  • Thin skin

What is the main component of the dermis?

  • Adipose cells
  • Keratinocytes
  • Collagen and elastic fibers (correct)
  • Melanocytes

Which region of the dermis contains areolar connective tissue, capillary loops, and corpuscles of touch?

<p>Papillary region (D)</p> Signup and view all the answers

What can stimulate the formation of a callus in the skin?

<p>Constant friction (A)</p> Signup and view all the answers

Which layer of the epidermis is composed of flat, dead keratinocytes continuously shed and replaced by deeper cells?

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

'Keratinization' in the skin involves:

<p>Accumulation of protective keratin as cells move towards the surface (B)</p> Signup and view all the answers

'Dandruff' is caused by an excess of:

<p>Keratinized cells shed from the scalp (B)</p> Signup and view all the answers

Which layer of the epidermis includes keratohyalin and lamellar granules?

<p>Stratum granulosum (B)</p> Signup and view all the answers

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