CH 6 A&P BIOL 223

Card Set Information

Author:
alyknight
ID:
199512
Filename:
CH 6 A&P BIOL 223
Updated:
2013-02-15 15:01:19
Tags:
Integumentary system
Folders:

Description:
Integumentary system
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user alyknight on FreezingBlue Flashcards. What would you like to do?


  1. Which of the following is the correct order of the layers of the cutaneous membrane?

    A) dermis, hypodermis, dermis
    B) epidermis, dermis, hypodermis
    C) hypodermis, dermis, epidermis
    D) dermis, epidermis, hypodermis
    E) epidermis, hypodermis, dermis
    B) epidermis, dermis, hypodermis
    (this multiple choice question has been scrambled)
  2. The tissue under the skin is called the

    A) epidermis or dermis.
    B) integument or dermis.
    C) epidermis or subcutaneous layer.
    D) epidermis or superficial fascia
    E) hypodermis or subcutaneous layer.
    E) hypodermis or subcutaneous layer
    (this multiple choice question has been scrambled)
  3. As cells are pushed from the deeper portion of the epidermis toward the surface,

    A) they divide.
    B) they enter the dermis.
    C) they die.
    D) their nutrient supply increases.
    E) all of the above
    C) they die.
    (this multiple choice question has been scrambled)
  4. The layer of the epidermis at the surface is the

    A) stratum corneum.
    B) stratum lucidum.
    C) stratum germinativum.
    D) stratum spinosum.
    E) stratum granulosum.
    A) stratum corneum
    (this multiple choice question has been scrambled)
  5. Thick skin can be found on the

    A) palms.
    B) arms.
    C) back.
    D) chest.
    E) legs.
    A) palms.
    (this multiple choice question has been scrambled)
  6. The skin is also called the

    A) mucous membrane.
    B) cutaneous membrane.
    C) synovial membrane.
    D) serous membrane.
    E) none of the above
    B) cutaneous membrane.
    (this multiple choice question has been scrambled)
  7. Thin skin is defined by the thickness of the

    A) subcutaneous layer.
    B) epidermis.
    C) melanin.
    D) hypodermis.
    E) dermis.
    B) epidermis.
    (this multiple choice question has been scrambled)
  8. An epidermal layer that produces large amounts of keratin is the

    A) stratum germinativum.
    B) stratum spinosum.
    C) stratum lucidum.
    D) stratum granulosum.
    E) stratum corneum.
    D) stratum granulosum
    (this multiple choice question has been scrambled)
  9. The primary mode of heat loss from the body is

    A) evaporation.
    B) conduction.
    C) radiation.
    D) convection.
    E) none of the above
    C) radiation.
    (this multiple choice question has been scrambled)
  10. n order for bacteria on the skin to cause an infection in the skin, they must

    A) survive the bactericidal components of sebum.
    B) avoid being flushed from the surface of the skin by sweat.
    C) penetrate the stratum corneum.
    D) escape the Langerhans' cells.
    E) all of the above
    E) all of the above
  11. Epidermal cells are supplied with nutrients from blood vessels in the

    A) dermis.
    B) hypodermis.
    C) epidermis.
    D) both A and B above
    E) all of the above
    A) dermis.
    (this multiple choice question has been scrambled)
  12. Drugs suspended in ________ or ________ can penetrate the epidermis.

    A) water; blood
    B) oils; alcohol
    C) sebum; water
    D) water; lipids
    E) oils; lipid-soluble carriers
    E) oils; lipid-soluble carriers
    (this multiple choice question has been scrambled)
  13. Functions of the skin include

    A) synthesizing digestive enzymes.
    B) synthesizing antibodies.
    C) release of large amounts of hormones.
    D) regulating body temperature.
    E) producing adipose tissue.
    D) regulating body temperature
    (this multiple choice question has been scrambled)
  14. An individual with excessive epidermal shedding on the scalp may be prone to develop this condition.

    A) dermatitis
    B) psoriasis
    C) acne
    D) dandruff
    E) seborrhea
    D) dandruff
    (this multiple choice question has been scrambled)
  15. In albinism, ________ is lacking.

    A) collagen
    B) carotene
    C) keratin
    D) keratinocytes
    E) melanin
    E) melanin
    (this multiple choice question has been scrambled)
  16. The skin may turn orange as a result of ________ buildup.

    A) keratin
    B) biliverdin
    C) bilirubin
    D) carotene
    E) melanin
    D) carotene
    (this multiple choice question has been scrambled)
  17. The pigment melanin

    A) protects DNA from the damaging effects of UV radiation.
    B) is produced by cells called melanocytes and is found in higher concentration in individuals with darker skin.
    C) is usually some shade of red, yellow, or brown.
    D) A and C onlyE) all of the above
    A) protects DNA from the damaging effects of UV radiation.
    (this multiple choice question has been scrambled)
  18. The most important factor in skin color is

    A) genetic factors.
    B) dermal blood supply.
    C) number of keratinocytes.
    D) sunlight exposure.
    E) diet.
    A) genetic factors.
    (this multiple choice question has been scrambled)
  19. Exposure of the skin to ultraviolet light

    A) can result in decreased melanin production by melanocytes.
    B) can result in increased numbers of melanocytes forming in the skin.
    C) can stimulate the production of melanin.
    D) can cause destruction of vitamin D.
    E) has no effect on the skin cells.
    C) can stimulate the production of melanin.
    (this multiple choice question has been scrambled)
  20. When a person becomes "pale," what is the physiologic basis?

    A) The blood supply to the skin decreases.
    B) The number of red melanocytes in the skin increases.
    C) Melanocytes increase production of red pigments.
    D) Increased heat causes the skin to turn red.
    E) The blood supply to the skin increases.
    A) The blood supply to the skin decreases.
    (this multiple choice question has been scrambled)
  21. Which of the following is a function of the integumentary system that aids the endocrine system?
    A) excretion
    B) synthesis of vitamin D
    C) protection of underlying tissue
    D) nutrition and storage
    E) maintenance of body temperature
    B) synthesis of vitamin D
    (this multiple choice question has been scrambled)
  22. Epidermal cells synthesize this vitamin when exposed to sunlight.

    A) vitamin C
    B) vitamin A
    C) vitamin E
    D) vitamin D3
    E) vitamin D2
    D) vitamin D3
    (this multiple choice question has been scrambled)
  23. The dermis is composed largely of

    A) dense irregular connective tissue.
    B) blood vessels.
    C) neural tissue.
    D) adipose tissue.
    E) muscle tissue.
    A) dense irregular connective tissue
    (this multiple choice question has been scrambled)
  24. When smooth muscles in the walls of dermal blood vessels contract,

    A) more heat is lost.
    B) blood is forced to the epidermis.
    C) the vessels' lumen enlarge.
    D) body heat is conserved.
    E) more blood enters the dermis.
    D) body heat is conserved.
    (this multiple choice question has been scrambled)
  25. The layer of the skin that provides thermoregulation via changing blood flow is the

    A) epidermis.
    B) papillary layer.
    C) subcutaneous layer.
    D) sebum layer.
    E) dermis.
    E) dermis.
    (this multiple choice question has been scrambled)
  26. Folds of the dermis that cause fingerprints are called

    A) dermal ridges.
    B) the papillary layer of the dermis.
    C) arrector pili.
    D) cuticles.
    E) dermal papillae.
    E) dermal papillae.
    (this multiple choice question has been scrambled)
  27. Nerve fibers in the skin are associated with

    A) smooth muscles.
    B) blood vessels.
    C) sensory nerve endings.
    D) hair follicles.
    E) all of the above
    E) all of the above
  28. When the body is overheated, the skin responds by
    A) increasing blood flow to the dermis.
    B) increasing heart rate.
    C) decreasing melanin production.
    D) decreasing blood flow to the dermis.
    E) increasing keratin production.
    A) increasing blood flow to the dermis
    (this multiple choice question has been scrambled)
  29. The subcutaneous layer is made of

    A) epithelium and loose connective tissues.
    B) epithelial tissue.
    C) skeletal muscles and adipose tissue.
    D) loose connective and adipose tissues.
    E) dense connective and loose connective tissues.
    D) loose connective and adipose tissues
    (this multiple choice question has been scrambled)
  30. The hypodermis contains mostly

    A) adipose tissue.
    B) epithelial tissue.
    C) nervous tissue.
    D) loose connective tissue.
    E) muscle tissue.
    A) adipose tissue.
    (this multiple choice question has been scrambled)
  31. Injections made under the skin are called

    A) dermal injections.
    B) hypodermal injections.
    C) intramuscular injections.
    D) epidermal injections.
    E) subcutaneous injections.
    B) hypodermal injections.
    (this multiple choice question has been scrambled)
  32. Shafts of hair are made by

    A) adipose cells.
    B) living epidermal cells
    C) living dermal cells.
    D) dead dermal cells.
    E) dead epidermal cells.
    E) dead epidermal cells.
    (this multiple choice question has been scrambled)
  33. When the arrector pili muscles contract,

    A) "goose bumps" are formed.
    B) sweat is released from sweat glands.
    C) shivering occurs.
    D) the skin changes color.
    E) hairs are shed.
    A) "goose bumps" are formed.
    (this multiple choice question has been scrambled)
  34. Accessory structures of the skin include

    A) hair follicles.
    B) arrector pili muscles.
    C) sebaceous glands.
    D) apocrine sweat glands.
    E) all of the above
    E) all of the above
  35. Temporary increases in hair loss can result from

    A) drugs.
    B) dietary factors.
    C) radiation.
    D) fever.
    E) all of the above
    E) all of the above
  36. Glands that are located in the ear canal are called
    A) mammary glands.
    B) apocrine sweat glands.
    C) merocrine sweat glands.
    D) ceruminous glands.
    E) sebaceous glands.
    D) ceruminous glands.
    (this multiple choice question has been scrambled)
  37. Perspiration produced by apocrine sweat glands

    A) helps to cool the body when it evaporates.
    B) is limited to the hair follicles of the axilla, nipples, and groin.
    C) is more than 99 percent water.
    D) contains electrolytes and waste products.
    E) all of the above
    B) is limited to the hair follicles of the axilla, nipples, and groin.
    (this multiple choice question has been scrambled)
  38. The condition that results from clogged sebaceous glands is

    A) a carbuncle.
    B) a boil.
    C) acne.
    D) a blister.
    E) none of the above
    C) acne.
    (this multiple choice question has been scrambled)
  39. Eccrine sweat glands

    A) respond only in times of stress.
    B) are most common in the axilla and groin.
    C) respond primarily to elevated body temperature.
    D) are active only in areas of dense hair.
    E) all of the above
    C) respond primarily to elevated body temperature.
    (this multiple choice question has been scrambled)
  40. Sweat helps to cool the body by

    A) evaporation.
    B) conduction.
    C) convection.
    D) radiation
    E) all of the above
    A) evaporation.
    (this multiple choice question has been scrambled)
  41. Eccrine and sebaceous glands differ in

    A) type of secretion.
    B) material secreted.
    C) location in the body.
    D) their association with hair follicles.
    E) all of the above
    E) all of the above
  42. The glands that develop at puberty are

    A) integumentary glands.
    B) dermal glands.
    C) apocrine glands.
    D) sweat glands.
    E) merocrine glands.
    C) apocrine glands.
    (this multiple choice question has been scrambled)
  43. Specialized sweat glands that produce milk are called

    A) apocrine sweat glands.
    B) mammary glands.
    C) merocrine sweat glands.
    D) sebaceous glands.
    E) ceruminous glands.
    B) mammary glands.
    (this multiple choice question has been scrambled)
  44. The pale cresent area of the nail is called the

    A) free edge.
    B) lunula.
    C) cuticle.
    D) nail bed.
    E) nail root.
    B) lunula.
    (this multiple choice question has been scrambled)
  45. The fold of stratum corneum over the base of a nail is called the

    A) free edge
    B) root.
    C) bed.
    D) body.
    E) cuticle.
    E) cuticle.
    (this multiple choice question has been scrambled)
  46. The type of burn that may require a skin graft is a

    A) semi-partial-thickness burn.
    B) partial-thickness burn.
    C) third-degree burn.
    D) second-degree burn.
    E) first-degree burn.
    C) third-degree burn.
    (this multiple choice question has been scrambled)
  47. A burn that penetrates the epidermis and part of the dermis is classified as a

    A) third-degree burn.
    B) fourth-degree burn.
    C) second-degree burn.
    D) first-degree burn.
    E) fifth-degree burn.
    C) second-degree burn.
    (this multiple choice question has been scrambled)
  48. Why would an elderly person be more prone to skin infections than a younger person?

    A) Skin repairs take longer in the elderly.
    B) The epidermis is thinner in the elderly.
    C) There are fewer macrophages in the skin of the elderly.
    D) The blood supply to the dermis is reduced in the skin of the elderly.
    E) all of the above
    E) all of the above
  49. A burn that involves only the epidermis, such as a mild sunburn, is classified as

    A) first degree.
    B) fourth degree.
    C) third degree.
    D) second degree.
    E) a permanent-damage burn.
    A) first degree.
    (this multiple choice question has been scrambled)
  50. This type of burn appears inflamed and tender but has no blisters.

    A) third-degree burn
    B) first-degree burn
    C) second-degree burn
    D) full-thickness burn
    E) none of the above
    B) first-degree burn
    (this multiple choice question has been scrambled)
  51. The most severe type of skin cancer is most likely to develop from

    A) nonpigmented epithelial cells.
    B) the hypodermis.
    C) melanocytes.
    D) nonpigmented dermal cells.
    E) pigmented epithelial cells.
    C) melanocytes.
    (this multiple choice question has been scrambled)
  52. The deepest layer of cells in the epidermis is the cells of the stratum _________________.
    basale
  53. The substance that gives the skin its waterproofing ability is _______________.
    keratin
  54. The protein that contributes to many of the skin's protective qualities is called ______      .
    keratin
  55. __________ is a pigment found in vegetables that can make skin appear orange or yellow.
    Carotene
  56. Melanin serves to protect cells under the epidermis from ________________.
    UV light
  57. Exposure to _______________ radiation from the sun has the effect of increasing melanin production in the skin.
    UV (ultraviolet)
  58. The ________________ layer of the skin contains bundles of collagen fibers and elastin and is responsible for the strength of the skin.
    reticular
  59. The thermostat for the body is the ____________.
    hypothalamus
  60. The _________ glands function as scent glands.
    apocrine
  61. The nail ______________ covers the nail bed
    body
  62. A thickened area of scar tissue that is covered by a shiny, smooth epidermal surface is called a(n) __________.
    keloid
  63. ____________ are accumulations of fluid within the epidermis or between the epidermis and the dermis.
    Blisters
  64. Select the layer below that contains dividing cells.

    A)stratum basale
    B)stratum corneum
    C)stratum lucidum
    D)stratum spinosum
    A)stratum basale
    (this multiple choice question has been scrambled)
  65. This layer is absent in thin skin.

    A)stratum corneum
    B)stratum basale
    C)stratum spinosum
    D)stratum lucidum
    D)stratum lucidum
    (this multiple choice question has been scrambled)
  66. Which of the following terms refers to a yellowing of skin due to an abnormally high level of bilirubin in the blood?

    A)jaundice
    B)cyanosis
    C)albinism
    D)erythema
    A)jaundice
    (this multiple choice question has been scrambled)
  67. Which of the following does not contribute to skin color?

    A)bilirubin
    B)erythrocytes
    C)carotene
    D)hair color
    E)melanin
    D)hair color
    (this multiple choice question has been scrambled)
  68. Blond hair

    A)is a result of low amount of iron in the papillae.
    B)normally has a flatter shaft than brown or black hair.
    C)has a sparse amount of melanin in the cortex.
    D)contains air in the medulla.
    E)typically lacks a cuticle.
    C)has a sparse amount of melanin in the cortex.
    (this multiple choice question has been scrambled)
  69. The hair of the fetus is called ___________.

    A)lanugo
    B)vibrissae
    C)terminal
    D)vellus
    E)nonexistent
    A)lanugo
    (this multiple choice question has been scrambled)
  70. The oily secretion that prevents the skin from drying and cracking is

    A)diaphoresis.
    B)cerumen.
    C)pheomelanin.
    D)sebum.
    D)sebum.
    (this multiple choice question has been scrambled)
  71. These skin glands protect the ear.

    A)apocrine
    B)mammary
    C)merocrine
    D)ceruminous
    E)sebaceous
    D)ceruminous
    (this multiple choice question has been scrambled)
  72. In this type of burn, only the epidermis is involved.

    A)third degree
    B)second degree
    C)first degree
    C)first degree
    (this multiple choice question has been scrambled)
  73. Which type of skin graft is unlikely to cause an immune reaction?

    A)isograft
    B)homograft
    C)allograft
    D)xenograft
    A)isograft
    (this multiple choice question has been scrambled)
  74. The single layer of cells that make up the stratum basale of the epidermis contains all of the following cell types except

    A)melanocytes.
    B)keratinocytes.
    C)Merkel cells.
    D)fibroblasts.
    D)fibroblasts.
    (this multiple choice question has been scrambled)
  75. Which of the following types of cells divides by mitosis to replace the dead cells that exfoliate from the surface of your skin?

    A)fibroblasts
    B)melanocytes
    C)Merkel cells
    D)keratinocytes
    D)keratinocytes
    (this multiple choice question has been scrambled)
  76. Which layer is responsible for fingerprints?

    A)dermis
    B)stratum lucidum
    C)stratum corneum
    D)stratum basale
    A)dermis
    (this multiple choice question has been scrambled)
  77. The epidermal layer that is dead and keratinized is the

    A)stratum corneum
    B)stratum basale.
    C)stratum spinosum.
    D)stratum lucidum.
    E)stratum granulosum.
    A)stratum corneum
    (this multiple choice question has been scrambled)
  78. The major skin layer that normally has the greatest amount of adipocytes is the

    A)stratum corneum.
    B)epidermis.
    C)stratum spinosum.
    D)papillary layer.
    E)hypodermis.
    E)hypodermis.
    (this multiple choice question has been scrambled)
  79. Cutaneous vasodilation is in response to

    A)very warm conditions.
    B)jaundice.
    C)lack of sun.
    D)vitamin C synthesis.
    E)cyanosis.
    A)very warm conditions
    (this multiple choice question has been scrambled)
  80. Which part of the nail represents the growth zone?

    A)the hyponychium
    B)lunule
    C)the nail body
    D)nail matrix
    E)the nail bed
    D)nail matrix
    (this multiple choice question has been scrambled)
  81. Of the three types of hair we grow during our lives, which type is pigmented?

    A)terminal
    B)keratinous
    C)vellus
    D)lanugo
    A)terminal
    (this multiple choice question has been scrambled)
  82. Fingernails grow about 1mm/week due to mitosis of cells in the

    A)nail matrix.
    B)nail plate.
    C)hyponychium.
    D)eponychium
    A)nail matrix.
    (this multiple choice question has been scrambled)
  83. Smooth muscle bundles attached to the hair root sheath are called
    A)merocrine glands.
    B)sebaceous glands.
    C)arrector pili.
    D)hair receptors.
    E)epithelial roots.
    C)arrector pili.
    (this multiple choice question has been scrambled)
  84. Which of the following statements about sweat glands is incorrect?

    A)Sweat glands are simple tubular glands lined by stratified cuboidal epithelium and emptied by a duct.
    B)The 500 ml of insensible perspiration that we produce each day does not produce a wetness of the skin.
    C)Apocrine glands open onto hair follicles rather than a sweat pore.
    D)A milky perspiration containing fatty acids is secreted by merocrine sweat glands.
    D)A milky perspiration containing fatty acids is secreted by merocrine sweat glands.
    (this multiple choice question has been scrambled)
  85. Which of the following has an excretory function?

    A)endocrine glands
    B)eccrine sweat gland
    C)mammary glands
    D)sebaceous gland
    B)eccrine sweat gland
    (this multiple choice question has been scrambled)
  86. Which of the following is a fungus infection of the skin?

    A)ringworm
    B)acne
    C)psoriasis
    D)warts
    A)ringworm
    (this multiple choice question has been scrambled)
  87. Which of the following types of skin cancer is the least dangerous because it seldom metastasizes?

    A)squamous cell carcinoma
    B)Kaposi sarcoma
    C)basal cell carcinoma
    D)malignant melanoma
    C)basal cell carcinoma
    (this multiple choice question has been scrambled)
  88. The epidermal water barrier is formed at the point where epidermal cells

    A) enter the telogen phase.
    B) form the epidermal ridges.
    C) pass from stratum basale to stratum spinosum.
    D) pass from stratum spinosum to stratum granulosum.
    E) exfoliate
    D) pass from stratum spinosum to stratum granulosum.
    (this multiple choice question has been scrambled)
  89. Which of the following skin conditions or appearances would most likely result from liver failure?

    A) erythema
    B) seborrheic dermatitis
    C) jaundice
    D) pallor
    E) melanization
    C) jaundice
    (this multiple choice question has been scrambled)
  90. All of the following interfere with microbial invasion of the body except

    A) keratinization.
    B) dendritic cells.
    C) sebum.
    D) the acid mantle.
    E) melanization.
    E) melanization.
    (this multiple choice question has been scrambled)
  91. The hair on a 6-year-old's arms is

    A) rosacea.
    B) terminal hair.
    C) alopecia.
    D) lanugo.
    E) vellus.
    E) vellus.
    (this multiple choice question has been scrambled)
  92. Which of the following terms is least related to the rest?

    A) cortex
    B) nail plate
    C) hyponychium
    D) lunule
    E) free edge
    A) cortex
    (this multiple choice question has been scrambled)
  93. Which of the following is a scent gland?

    A) eccrine gland
    B) merocrine gland
    C) apocrine gland
    D) ceruminous gland
    E) sebaceous gland
    C) apocrine gland
    (this multiple choice question has been scrambled)
  94.                are skin cells with a sensory role.

    A) Stem cells
    B) Keratinocyte
    C) Tactile cells
    D) Dendritic cells
    E) Melanocytes
    C) Tactile cells
    (this multiple choice question has been scrambled)
  95. Which of the following glands produce the acid mantle?

    A) ceruminous glands
    B) merocrine sweat glands
    C) sebaceous glands
    D)mammary glands
    E) apocrine sweat glands
    B) merocrine sweat glands
    (this multiple choice question has been scrambled)
  96. Which of the following skin cells alert the immune system to pathogens?

    A) melanocytes
    B) dendritic cells
    C)fibroblasts
    D) keratinocytes
    E) tactile cells
    B) dendritic cells
    (this multiple choice question has been scrambled)
  97. __________ is sweating without noticeable wetness of the skin.
    insensible perspiration
  98. A muscle that causes a hair to stand on end is called a/an __________.
    piloerector
  99. The process of removing burned skin from a patient is called __________.
    debridement
  100. Blueness of the skin due to low oxygen concentration in the blood is called __________.
    cyanosis
  101. Projections of the dermis toward the epidermis are called __________.
    dermal papillae
  102. Cerumen is more commonly known as __________.
    earwax
  103. The holocrine glands that secrete into a hair follicle are called __________
    sebaceous glands
  104. Hairs grow only during the __________ phase of the hair cycle
    anagen
  105. A hair is nourished by blood vessels in a connective tissue projection called the __________.
    dermal papilla
  106. A __________ burn destroys the entire dermis.
    third-degree
  107. Dander consists of dead keratinocytes.

    True/False
    True
  108. The term integument means only the skin, but integumentary system includes the skin, hair, nails, and cutaneous glands.

    True/False
    True
  109. The dermis is composed mainly of keratin

    True/False
    • False
    • Keratin is the protein of the epidermis; the dermis is composed mainly of collagen
  110. Vitamin D synthesis begins in certain cutaneous glands

    True/False
    • False
    • Vitamin D synthesis begins in kerationcytes
  111. Cells of the stratum granulosum cannot undergo mitosis.

    True/False
    True
  112. Dermal papillae are better developed in skin subjected to a lot of mechanical stress than in skin subjected to less stress.

    True/False
    True
  113. The three layers of the skin are the epidermis, dermis, and hypodermis.

    True/False
    • False
    • The hypodermis is not considered to be a layer of the skin.
  114. People of African descent have a much higher density of epidermal melanocytes than do people of northern European descent.

    True/False
    • False
    • Different races have about the same density of melanocyts, but different amounts of melanin.
  115. Pallor indicates a genetic lack of melanin.

    True/False
    • False
    • A genetic lack of melanin causes albinism, not pallor. Pallor is a temporary, nonhereditary paleness of the skin.
  116. Apocrine sweat glands develop at the same time in life as the pubic and axillary hair

    True/False
    True
  117. The epidermis is made of this tissue:

    A. stratified squamous epithelium
    B. dense irregular connective tissue
    C. adipose
    D. loose connective tissue
    A. stratified squamous epithelium
    (this multiple choice question has been scrambled)
  118. These cells are responsible for the ability
    of the epidermis to resist abrasion and reduce water loss:

    A. Langerhans cells
    B. Merkel cells
    C. keratinocytes
    D. melanocytes
    C. keratinocytes
    (this multiple choice question has been scrambled)
  119. This layer of skin replaces older cells that
    desquamate with newer cells by mitosis:

    A. stratum lucidum
    B. stratum basale
    C. stratum granulosum
    D. stratum corneum
    B. stratum basale
    (this multiple choice question has been scrambled)
  120. Thin skin:

    A. is found on the back
    B. all of these
    C. contains hair
    D. lacks a stratum lucidum
    E. none of these
    B. all of these
    (this multiple choice question has been scrambled)
  121. Cyanosis, blue tinted skin, is caused by
    this:

      a. excess carotene
      b. decreased melanin production 
      c. decreased oxygen in the blood
      d. increased blood flow
      c. decreased oxygen in the blood
  122. The dermis is made of this kind of tissue:

      a. adipose
      b. epithelium
      c. connective
      d. keratin
    c. connective
  123. This is not associated with the dermis:

      a. melanocytes
      b. nerve endings
      c. lymphatic vessels
      d. hair follicles
      a. melanocytes
  124. These lines of scar tissue are formed from
    excess stretching of the skin:

      a. fingerprints
      b. dermal papillae
      c. cleavage (tension) lines
      d. striae
      d. striae
  125. This layer contains blood vessels that  nourish the epidermis, remove wastes and
    regulate body temperature:

      a. reticular layer
      b. hypodermis
      c. papillary layer
      d. stratum basale
      c. papillary layer
  126. Near birth, the hair on the scalp, eyelids
    and eyebrows are replaced with this:

      a. terminal hair
      b. lanugo
      c. vellus hair
      a. terminal hair
  127. This layer of cells in the hair forms the
    surface and contains hard keratin:

      a. medulla
      b. cortex
      c. cuticle
      d. dermal root sheath
      c. cuticle
  128. These smooth muscles are attached to hair
    follicles and contraction of them 
    produces “goose bumps”:

      a. hairbulb
      b. arrector pili
      c. dermal root sheath
      d. epithelial root sheath
    b. arrector pili
  129. The nail is produced mostly by this:

      a. nail bed
      b. nail root
      c. nail fold
      d. nail matrix
      d. nail matrix
  130. This white crescent-shaped area is seen at
    the base of the nail:

      a. nail bed
      b. nail fold
      c. lunula
      d. eponychium
      e. hyponychium
    c. lunula
  131. These sweat glands are responsible for
    cooling the body:

      a. merocrine (eccrine)
      b. apocrine
      c. ceruminous
      d. sebaceous
    a. merocrine (eccrine)
  132. These modified apocrine sweat glands are found in the breasts:

      a. ceruminous
      b. sebaceous
      c. mammary
      d. mucous
      c. mammary
  133. Sebaceous glands produce sebum, prevent
    drying of the skin, protect against some bacteria, and are classified as holocrine.

    True/ False
    True
  134. This gland is involved with the production of
    body odor:

      a. merocrine
      b. apocrine
      c. cermunious
      d. sebaceous
      b. apocrine
  135. These glands located in the external auditory
    meatus (ear canal) produce ear wax:

      a. apocrine
      b. ceruminous
      c. merocrine (eccrine)
      d. sebaceous
    b. ceruminous
  136. The major function of the skin is protection
    from this:

      a. abrasion
      b. dehydration
      c. ultraviolet light
      d. entry of microorganisms
      e. all of these
    e. all of these
  137. This layer contains about half of the body’s
    stored fat:

      a. epidermis
      b. dermis
      c. hypodermis (subcutaneous)
      d. stratum basale
    c. hypodermis (subcutaneous)
  138. This substance is synthesized in the skin and
    increases blood calcium for normal nerve and muscle function:

      a. vitamin A
      b. vitamin B
      c. vitamin C
      d. vitamin D
      d. vitamin D
  139. This best describes the function of melanin
    in the skin:

      a. reduces water loss
      b. protects against UV light
      c. helps regulate body temperature
      d. lubricates the skin
    b. protects against UV light
  140. These are all effects of aging on the integumentary system except:

      a. decrease of elastic fibers
      b. loss of fat from hypodermis
      c. decrease of melanin production in hair
      d. increase of sweat gland activity
      d. increase of sweat gland activity
  141. After the resting stage of hair growth, the
    hair:

      a. grows more rapidly
      b. falls out
      c. shortens the hair follicle
      d. loses its pigmentation
    b. falls out

What would you like to do?

Home > Flashcards > Print Preview