A & P Chapter 5

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Author:
linniefu
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180136
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A & P Chapter 5
Updated:
2012-10-26 22:21:29
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Integumentary System Chapter
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A&P Chapter 5 Questions
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  1. Which of the following is incorrectly paired?
    Tactile cells: anchor the skin to the body
  2. Which of the following is not a layer of the epidermis?
    Papillary layer
  3. Earwax is made by _________________
    sebaceous glands
  4. Sebum does not:
    protect the skin from the damaging effects of UV radiation.
  5. Which of the following represents a difference between eccrine sweat glands and apocrine sweat glands?
    The secretions of apocrine sweat glands contain more fat and protein than do the secretions of eccrine glands
  6. The skin consists of three main regions. From deep to superficial they are the:
    hypodermis, dermis, and epidermis.
  7. What part of the dermis gives rise to friction ridges (fingerprints)?
    The papillary layer.
  8. In thick skin, you would expect the __________ to be more prominent than it is in thin skin.
    stratum lucidum
  9. Sweat is secreted by:
    sudoriferous glands.
  10. What is the role of the hair matrix?
    The hair matrix produces hair.
  11. Which of the following best explains the fact that eyebrows do not grow as long as the hair on the head?
    The follicles of the eyebrow are active for a few months, while the follicles of the scalp are active for years
  12. Which of the following does not protect the skin from bacteria?
    The temperature of the skin
  13. The most common type of skin cancer is:
    basal cell carcinoma.
  14. A cancerous growth on the skin will likely exhibit:
    asymmetry.
  15. What layer(s) of the skin is (are) damaged in a second-degree burn?
    The epidermis and the superficial regions of the dermis are damaged.
  16. Melanin helps to protect skin cell DNA from the damaging effects of ultraviolet (UV) radiation.
    True
  17. The epidermis uses a modified form of cholesterol to produce a vitamin D precursor.
    True
  18. Hair and nails are made primarily of calcium.
    False
  19. Our skin helps us to regulate our body temperature.
    True
  20. The biggest risk factor for the development of skin cancer is excessive exposure to ultraviolet light.
    True
  21. Which layer of the epidermis is responsible for regenerating the most superficial layers?
    stratum basale
  22. What layer of the dermis is directly below the epidermis?
    papillary layer
  23. Which skin pigment is made in the skin itself?
    melanin
  24. Which skin appendages aid in cooling the skin when the body temperature or the external environmental temperature is high?
    eccrine sweat glands
  25. Sam is so cold that he has "goose bumps." What causes goose bumps?
    arrector pili muscles pulling hair follicles into an upright position
  26. Which of the following is a metabolic function of skin?
    synthesis of a vitamin D precursor
  27. What is the most common type of skin cancer?
    basal cell carcinoma
  28. Susan sat out in the sun watching a baseball game. She developed small blisters on her unprotected shoulders and neck. What type of burn is represented by the formation of the blisters?
    second-degree burn
  29. What protects the fetus's skin within the water-filled amniotic sac?
    vernix caseosa
  30. The skin is NOT which type of barrier?
    metabolic

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