Chapter 5 The Integumentary System (Mastering A&P)

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lonelygirl
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220041
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Chapter 5 The Integumentary System (Mastering A&P)
Updated:
2013-05-17 05:20:01
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Biology Anatomy Physiology
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Biology 103A
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  1. Layer B is composed primarily of ______.



    A. dense irregular connective tissue
    B. simple squamous epithelium
    C. areolar connective tissue
    D. dense regular connective tissue
    C. areolar connective tissue
    (this multiple choice question has been scrambled)
  2. Which structure is a type of cutaneous sensory receptor?



    A. A
    B. B
    C. C
    D. D
     
    B. B
    (this multiple choice question has been scrambled)
  3. Cell division would be most common amongst cells in which of the labeled layers?



    A. D
    B. C
    C. A
    D. B
    A. D
    (this multiple choice question has been scrambled)
  4. Which labeled structure produces an oily secretion?



    A. A
    B. B
    C. C
    D. D
    A. A
    (this multiple choice question has been scrambled)
  5. In a woman that has hirsutism, ________.

    A. the cuticles in the visible portions of hair shafts undergo extensive cell division
    B. the keratin filaments in hair undergo cell division to thicken the hair
    C. androgens stimulate vellus hair to become terminal hair
    D. none of the above
    C. androgens stimulate vellus hair to become terminal hair
    (this multiple choice question has been scrambled)
  6. If a large number of whiteheads appear on the skin of the forehead, which of the following would result?

    A. fine hairs on the forehead would become brittle
    B. the forehead's skin would become dry
    C. bacteria on the forehead's skin would grow and multiply freely
    D. all of the above
    D. all of the above
  7. Which of the following is a metabolic function of skin?

    A. synthesis of a vitamin D precursor
    B. cutaneous sensation
    C. body temperature regulation
    D. elimination of nitrogenous wastes
    A. synthesis of a vitamin D precursor
    (this multiple choice question has been scrambled)
  8. Which layer is composed primarily of stratified squamous epithelium?



    A. B
    B. D
    C. C
    D. A
    D. A
    (this multiple choice question has been scrambled)
  9. Which of the following would most likely be found in the stratum spinosum?



    A. Merkel cell
    B. melanocyte
    C. cornified cell
    D. dendritic cell
     
    D. dendritic cell
    (this multiple choice question has been scrambled)
  10. Which skin-color-associated, pigment-producing cell is located in the labeled layer D?



    A. Merkel cell
    B. keratinocyte
    C. fibroblast
    D. melanocyte
    D. melanocyte
    (this multiple choice question has been scrambled)
  11. Which structures of the dermis give rise to friction ridges (fingerprints)?

    A. dermal ridges
    B. flexure lines
    C. dermal papillae
    D. epidermal ridges
    A. dermal ridges
    (this multiple choice question has been scrambled)
  12. The ________ is a thin translucent band found only in thick skin.

    A. stratum lucidum
    B. stratum basale
    C. stratum granulosum
    D. stratum spinosum
    A. stratum lucidum
    (this multiple choice question has been scrambled)
  13. Which stratum of the epidermis is responsible for regenerating the more superficial layers?

    A. stratum corneum
    B. stratum spinosum
    C. stratum basale
    D. stratum granulosum
    C. stratum basale
    (this multiple choice question has been scrambled)
  14. Which layer of the dermis is directly below the epidermis?

    A. papillary layer
    B. stratum basale
    C. hypodermis
    D. reticular layer
    A. papillary layer
    (this multiple choice question has been scrambled)
  15. Which skin pigment is made in the skin itself?

    A. keratin
    B. carotene
    C. hemoglobin
    D. melanin
    D. melanin
    (this multiple choice question has been scrambled)
  16. Which of the following does NOT protect the skin from bacteria?

    A. the temperature of the skin
    B. cathelicidins
    C. the low pH of the skin
    D. defensins
    E. dermcidin
    A. the temperature of the skin
    (this multiple choice question has been scrambled)
  17. Melanin protects skin cell DNA from the damaging effects of ultraviolet (UV) radiation. True or False
    True
  18. In the presence of sunlight, modified cholesterol is converted into Vitamin D precursors in the skin. True or False
    True
  19. Our skin helps us to regulate our body temperature. True or False
    True
  20. The skin is NOT a ________ barrier?

    A. physical
    B. metabolic
    C. biological
    D. chemical
    B. metabolic
    (this multiple choice question has been scrambled)
  21. Layers B and C collectively form the ______.



    A. hypodermis
    B. epidermis
    C. dermis
     
    C. dermis
    (this multiple choice question has been scrambled)
  22. Which of the following terms describes layer D?



    A. epidermal
    B. subcutaneous
    C. papillary
    D. reticular
     
    B. subcutaneous
    (this multiple choice question has been scrambled)
  23. The hypodermis is distinguished by an abundance of ______.



    A. hair follicles
    B. sensory receptor
    C. fat cells
    D. skeratinocytes
    C. fat cells
    (this multiple choice question has been scrambled)
  24. Which of the following correctly describes a common feature of all structures labeled A-D in the figure?



    A. Structures A, B, C, and D are all various types of glands.
    B. Structures A, B, C, and D are composed primarily of smooth muscle.
    C. All the listed statements correctly describe structures A, B, C, and D.
    D. Structures A, B, C, and D are located in the dermis.
    D. Structures A, B, C, and D are located in the dermis.
    (this multiple choice question has been scrambled)
  25. The structure indicated by label E is part of which of the following?



    A. hypodermis
    B. stratum corneum
    C. hair root
    D. dermal papilla
    D. dermal papilla
    (this multiple choice question has been scrambled)
  26. Which of the following is NOT a layer of the epidermis?

    A. stratum corneum
    B. stratum reticulum
    C. stratum granulosum
    D. stratum basale
    B. stratum reticulum
    (this multiple choice question has been scrambled)
  27. Which of the following statements is INCORRECT?

    A. Langerhans cells activate the immune system.
    B. Melanin provides protection against ultraviolet (UV) radiation.
    C. Keratinocytes produce a fibrous protein to protect the epidermis.
    D. Tactile cells anchor the skin to the body.
    D. Tactile cells anchor the skin to the body.
    (this multiple choice question has been scrambled)
  28. The skin consists of two main regions. From deep to superficial they are the ________.

    A. dermis and epidermis
    B. hypodermis and epidermis
    C. hypodermis and dermis
    D. epidermis and dermis
    A. dermis and epidermis
    (this multiple choice question has been scrambled)
  29. Sebum does NOT ________.

    A. protect the skin from the damaging effects of UV radiation
    B. slow water loss from the skin during low humidity conditions
    C. protect the skin from bacteria
    D. lubricate the skin
    A. protect the skin from the damaging effects of UV radiation
    (this multiple choice question has been scrambled)
  30. Sweat is secreted by ________.

    A. sebaceous glands
    B. mammary glands
    C. sudoriferous glands
    D. ceruminous glands
    C. sudoriferous glands
    (this multiple choice question has been scrambled)
  31. What is the function of structure B?



    A. detection of pressure stimulus
    B. production of defensive chemicals
    C. storage of fat
    D. secretion of sweat
     
    A. detection of pressure stimulus
    (this multiple choice question has been scrambled)
  32. The skin is permeable to organic solvents, such as acetone or turpentine, because they ________.

    A. are small molecules that bypass skin cells and therefore directly enter the blood
    B. solubilize the skin's collagen fibers
    C. solubilize the skin's keratin filaments
    D. can dissolve the lipid bilayers of epidermal and dermal cell plasma membranes
    D. can dissolve the lipid bilayers of epidermal and dermal cell plasma membranes
    (this multiple choice question has been scrambled)

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