The Ultimate Integumentary System Quiz

25 Questions | Total Attempts: 749

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Integumentary System Quizzes & Trivia

This is a formative assessment of the basic structures and functions of the integumentary system.


Questions and Answers
  • 1. 
    Which of the following statements is NOT true about the integumentary system?
    • A. 

      The skin is the largest organ in the human body.

    • B. 

      The skin weighs about 10 lbs.

    • C. 

      The skin maintains a constant body temperature.

    • D. 

      The skin provides protection from physical injury but not pathogens.

    • E. 

      The integumentary system is composed of the skin and accessory structures.

  • 2. 
    Thin skin only covers the palms, palmar surfaces of the digits, and the soles of the feet. Thick skin covers all other parts of the body.
    • A. 

      True

    • B. 

      False

  • 3. 
    Which of the following is NOT a function of the skin?
    • A. 

      Regulation of body temperature

    • B. 

      Synthesis of Vitamin E

    • C. 

      Protection from physical, chemical, and biological harm

    • D. 

      Sensations such as touch, pressure, vibration, tickle, heat, cold, and pain

    • E. 

      Excretion of wastes like urea, ammonia, salts, and carbon dioxide

  • 4. 
    The skin is called the cutaneous membrane. It is composed of the epidermis and the dermis.
    • A. 

      True

    • B. 

      False

  • 5. 
    Which structure is composed of keratinized stratified squamous epithelium?
    • A. 

      Epidermis

    • B. 

      Dermis

    • C. 

      Hair follicles

    • D. 

      Nails

    • E. 

      Glands

  • 6. 
    Which of the following are functions of the dermis?
    • A. 

      Controls biological pathogens, synthesizes vitamin D, stores lipids (adipose)

    • B. 

      Restricts the spread of biological pathogens, nourishes and supports the epidermis, holds sensory receptors, holds blood vessels that regulate body temperature

    • C. 

      Holds blood vessels that regulate body temperature, stores lipids (adipose), synthesizes vitamin D

    • D. 

      Controls what enters and leaves the skin (permeability), synthesizes vitamin D, restricts the spread of biological pathogens, and stores lipids (adipose)

    • E. 

      Stores lipids (adipose), synthesizes vitamin D, nourishes and supports the epidermis, holds blood vessels that regulate body temperature

  • 7. 
    Which of the following epidermal layers supplies cells for the upper layers of skin?
    • A. 

      Stratum spinosum

    • B. 

      Stratum lucidum

    • C. 

      Stratum basale

    • D. 

      Stratum granulosum

    • E. 

      Stratum corneum

  • 8. 
    Which of the following epidermal layers is composed of non-hairy, clear, thick skin?
    • A. 

      Stratum lucidum

    • B. 

      Stratum basale

    • C. 

      Stratum corneum

    • D. 

      Stratum spinosum

    • E. 

      Stratum granulosum

  • 9. 
    Which of the following epidermal layers contain flattened cells with spiny processes?
    • A. 

      Stratum granulosum

    • B. 

      Stratum spinosum

    • C. 

      Stratum basale

    • D. 

      Stratum lucidum

    • E. 

      Stratum corneum

  • 10. 
    Which of the following epidermal layers contains granules of keratin, which is a tough protein that protects the skin from injury?
    • A. 

      Stratum corneum

    • B. 

      Stratum lucidum

    • C. 

      Stratum granulosum

    • D. 

      Stratum spinosum

    • E. 

      Stratum basale

  • 11. 
    Which of the following epidermal layers covers the surface of the body and is composed of layers of dead stratified squamous cells filled with keratin?
    • A. 

      Stratum lucidum

    • B. 

      Stratum granulosum

    • C. 

      Stratum spinosum

    • D. 

      Stratum corneum

    • E. 

      Stratum basale

  • 12. 
    The layers of the epidermis from top to bottom is
    • A. 

      Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.

    • B. 

      Stratum basale, stratum granulosum, stratum spinosum, stratum lucidum, and stratum corneum.

    • C. 

      Stratum corneum, stratum spinosum, stratum granulosum, stratum lucidum, and stratum basale.

    • D. 

      Stratum spinosum, stratum basale, stratum corneum, stratum lucidum, and stratum granulosum.

    • E. 

      Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, and stratum basale.

  • 13. 
    Keratinocytes
    • A. 

      Produce melanin, a brown/black pigment absorbs UV-light.

    • B. 

      Provide protection and a waterproofing sealant.

    • C. 

      Protect and support the tips of fingers and toes.

    • D. 

      Lubricate the epidermis and hair.

    • E. 

      Produce pheromones for chemical communication.

  • 14. 
    Melanocytes
    • A. 

      Produce melanin, a brown/black pigment that absorbs UV-light.

    • B. 

      Provide protection and a waterproofing sealant.

    • C. 

      Protect and support the tips of fingers and toes.

    • D. 

      Produce pheromones for chemical communication.

    • E. 

      Excrete wastes.

  • 15. 
    Epithelial cells adapted for secretion are called glands.
    • A. 

      True

    • B. 

      False

  • 16. 
    Exocrine glands are ductless glands that secrete hormones into the bloodstream.
    • A. 

      True

    • B. 

      False

  • 17. 
    Skin color is determined by three pigments: melanin (brown-black pigment), carotene (yellow-orange pigment), and hemoglobin (red pigment).
    • A. 

      True

    • B. 

      False

  • 18. 
    Which of the following statements is FALSE about the dermis?
    • A. 

      The papillary region, which contains dermal papilla, is closest to the epidermis.

    • B. 

      The dermal papilla contain a blood supply and pain receptors.

    • C. 

      The reticular region is the deepest skin layer.

    • D. 

      The reticular region contains blood vessels, sweat and oil glands, and pressure receptors.

    • E. 

      Phagocytes, in the reticular region, aid bacteria as they seek to penetrate deeper into the body.

  • 19. 
    Apocrine sweat glands produce odorous thick secretions.
    • A. 

      True

    • B. 

      False

  • 20. 
    Sudoriferous sweat glands produce watery secretions.
    • A. 

      True

    • B. 

      False

  • 21. 
    Sebaceous oil glands are found in the axillae and pubic areas. They excrete urea and aid in thermoregulation.
    • A. 

      True

    • B. 

      False

  • 22. 
    Meissner's corpuscles respond to touch. Pacinian corpuscles respond to pressure.
    • A. 

      True

    • B. 

      False

  • 23. 
    Which change is NOT a result of growing older?
    • A. 

      Collagen fibers decrease in number and stiffen, forming wrinkles, lines and folds.

    • B. 

      Phagocytes increase their resistance to pathogens.

    • C. 

      Elastic fibers become less elastic, producing wrinkles.

    • D. 

      Melanocytes decrease, producing gray hair and blotching.

    • E. 

      Fibroblasts decrease in number, making wounds slow to heal.

  • 24. 
    The area known as the hypodermis contains adipose tissue, which insulates the skin. The hypodermis is found at the bottom of the dermis.
    • A. 

      True

    • B. 

      False

  • 25. 
    The arrector pili muscle will stand up the hair on the skin when the skin is cold.
    • A. 

      True

    • B. 

      False

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