Integumentary System Anatomy Quiz
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Questions and Answers

What is the main function of keratinocytes in the skin?

  • Attach the skin to underlying tissues and organs
  • Produce protection against ultraviolet radiation (correct)
  • Produce the pigment melanin
  • Function in the sensation of touch
  • Which tissue type is predominantly found in the epidermis of the skin?

  • Connective tissue
  • Muscle tissue
  • Nervous tissue
  • Epithelial tissue (correct)
  • Where are Langerhans cells located and what is their primary function in the skin?

  • Function in the sensation of touch
  • Provide protection against damage by ultraviolet radiation
  • Attached to hair follicles, involved in immune responses
  • Originate in red bone marrow, involved in immune responses (correct)
  • What is the role of melanocytes in the skin?

    <p>Produce the pigment melanin for protection against ultraviolet radiation</p> Signup and view all the answers

    Where is the subcutaneous layer (hypodermis) located in relation to the skin layers?

    <p>Below the dermis</p> Signup and view all the answers

    What is the composition of the subcutaneous (hypodermis) layer?

    <p>Loose areolar/adipose connective tissue</p> Signup and view all the answers

    Which layer of the epidermis is responsible for producing all the other layers through continuous cell division?

    <p>Stratum basale</p> Signup and view all the answers

    What protein makes up hair and nails and is present in the non-dividing cells of the stratum granulosum?

    <p>Keratin</p> Signup and view all the answers

    In which type of skin is the stratum lucidum present?

    <p>Thick skin</p> Signup and view all the answers

    What is the process of accumulation of protective keratin as cells move from the deepest layer to the surface layer called?

    <p>Keratinization</p> Signup and view all the answers

    Which pigment, produced by melanocytes and found in the epidermis, absorbs UV radiation?

    <p>Melanin</p> Signup and view all the answers

    What causes the formation of freckles on the skin?

    <p>Exposure to sunlight</p> Signup and view all the answers

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