Integumentary Test

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Integumentary System Quizzes & Trivia
This quiz is about the skin. Just a test to help study.

  
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  • 1. 
    The two functional components of the integument include
    • A. 

      Dermis and Epidermis

    • B. 

      Hair and Skin

    • C. 

      Cutaneous membrane and accessory structures

    • D. 

      Elastin and Keratin


  • 2. 
    Regulating heat exchange with the environment is the mechanism that the skin uses to
    • A. 

      Maintain normal body temperature

    • B. 

      Prevent excessive loss of body fluids

    • C. 

      Maintain large reserves of lipids

    • D. 

      Transmit information to the nervous system


  • 3. 
    The structures of the integumentary system involved in protection is(are)
    • A. 

      Hair

    • B. 

      Skin

    • C. 

      Nails

    • D. 

      All of the above


  • 4. 
    Receptors in the skin represent the
    • A. 

      Method by which body temperature is maintained

    • B. 

      Release of chemicals from metabolism

    • C. 

      Areas of synthesis and storage of nutrients

    • D. 

      Link between the integument and the nervous system


  • 5. 
    The layers of the epidermis, beginning with the deepest layer and proceeding outwardly, include the strata
    • A. 

      Corneum, granulosum, spinosum, germinativum

    • B. 

      Granulosum, spinosum, germinativum, corneum

    • C. 

      Spinosum, germinativum, corneum, granulosum

    • D. 

      Germinativum, spinosum, granulosum, corneum


  • 6. 
    Stem cells and melanocytes dominate the stratum germinativum, making it the layer where
    • A. 

      New cells are generated and skin colors are synthesized

    • B. 

      The protein keratin produces cornified cells

    • C. 

      Dead epithelial cells accumulate in large amounts

    • D. 

      The cells are flattened, densely packed, and filled with keratin


  • 7. 
    Epidermal cells in the stratum spinosum and stratum germinativum function as chemical factories in that they convert
    • A. 

      Steroid precursors to vitamin D when exposed to sunlight

    • B. 

      Eleidin to keratin

    • C. 

      Keratohyalin to eleidin

    • D. 

      A and c only


  • 8. 
    The two pigments contained in the epidermis in variable amounts are
    • A. 

      Melanin and keratin

    • B. 

      Carotene and keratin

    • C. 

      Vitamin D and melanin

    • D. 

      Carotene and melanin


  • 9. 
    Differences in skin color among individuals reflect
    • A. 

      Numbers of melanocytes

    • B. 

      Melanocyte distribution patterns

    • C. 

      Levels of melanin synthesis

    • D. 

      UV responses and nuclear activity


  • 10. 
    Dermal blood supply and epidermal pigmentation are the two basic factors interacting to
    • A. 

      Produce melanocytes and provide skin coloration

    • B. 

      Provide oxygen and carbon dioxide for skin respiration

    • C. 

      Produce skin pigments and avoid albinism

    • D. 

      Produce skin color


  • 11. 
    Some people only "burn" when exposed to the sun.  The reason they don't tan is that
    • A. 

      They do not have a gene for tanning

    • B. 

      Their melanocytes are inactive

    • C. 

      They don't have a sufficient number of melanocytes

    • D. 

      All of the above are true


  • 12. 
    Albinos have
    • A. 

      No melanocytes

    • B. 

      Fewer melanocytes than non-albinos

    • C. 

      The same number of melanocytes as non-albinos

    • D. 

      Overactive melanocytes


  • 13. 
    Cooling the surface of the skin and producing perspiration is the primary function of
    • A. 

      Ceruminous gland activity

    • B. 

      Sebaceous gland activity

    • C. 

      Apocrine gland activity

    • D. 

      Merocrine gland activity


  • 14. 
    If body temperature drops below normal, heat is conserved by _______________ in the diameter of dermal blood vessels
    • A. 

      An increase

    • B. 

      No change

    • C. 

      A decrease

    • D. 

      None of the above are correct


  • 15. 
    When body temperature becomes abnormally high, thermoregulatory homeostasis is maintained by
    • A. 

      An increase in sweat gland activity and blood flow to the skin

    • B. 

      A decrease in blood flow to the skin and sweat gland activity

    • C. 

      An increase in blood flow to the skin and a decrease in sweat gland activity

    • D. 

      An increase in sweat gland activity and a decrease in blood flow to the skin


  • 16. 
    Excessive perspiration to maintain normal body temperature may cause
    • A. 

      Excessive secretion of sebum by sebaceous glands

    • B. 

      Dangerous fluid and electrolyte losses

    • C. 

      The apocrine glands to discharge a sticky, cloudy, odorous secretion

    • D. 

      All of the above are correct


  • 17. 
    Perspiration (or sweat) produced by eccrine sweat glands consists of
    • A. 

      50 percent water, 1 percent sebum, 40 percent wastes, and 9 percent nutrients

    • B. 

      90 percent water, 5 percent electrolytes, and 5 percent wastes and nutrients

    • C. 

      1 percent sebum, 9 percent wastes and nutrients, and 90 percent water

    • D. 

      99 percent water, and 1 percent electrolytes, organic nutrients, and wastes


  • 18. 
    Melanin prevents skin damage due to UV light by
    • A. 

      Covering and protecting the epidermal layers

    • B. 

      Absorbing UV light

    • C. 

      Protecting the nuclei of epidermal cells

    • D. 

      B and c are correct


  • 19. 
    Excessive exposure to UV light may damage
    • A. 

      Cellular DNA, resulting in mutations

    • B. 

      Connective tissue and cause wrinkling

    • C. 

      Chromosomes and cause cancer

    • D. 

      All of the above


  • 20. 
    Excessive exposure to UV light may cause
    • A. 

      A decrease in the number of melanocytes.

    • B. 

      An increase in the number of melanocytes

    • C. 

      A decrease in vitamin D production

    • D. 

      Damage to the DNA in cells in the stratum germinativum


  • 21. 
    Accessory structures of the skin include
    • A. 

      The dermis, epidermis, hypodermis, subcutaneous layer, and hair follicles

    • B. 

      A cutaneous and subcutaneous layer, dermis, epidermis, and hair

    • C. 

      Hair, hair follicles, sebaceous glands, sweat glands, and nails

    • D. 

      Blood vessels, macrophages, neurons, hair papillae, and the cuticle


  • 22. 
    Hairs are best described as
    • A. 

      Living structures that are produced in the dermis and extend into the epidermis

    • B. 

      Nonliving epithelial cells that undergo keratinization and die

    • C. 

      Living structures containing a cortex and medulla

    • D. 

      Nonliving structures produced in organs called hair follicles


  • 23. 
    The sensitivity mechanism in hair follicles that provides an early warning system that may help prevent injury is the presence of a
    • A. 

      Cortex and medulla making up the core of the hair

    • B. 

      Cuticular surface layer of cells

    • C. 

      Sensory nerve fiber associated with the base of each hair follicle

    • D. 

      Hairs are nonliving; there is no sensitivity mechanism


  • 24. 
    Natural body odor is produced by the ___________________ glands
    • A. 

      Apocrine

    • B. 

      Eccrine

    • C. 

      Sebaceous

    • D. 

      Sweat


  • 25. 
    During adolescence, the sebaceous glands are especially prone to
    • A. 

      Producing excessive perspiration while sweating

    • B. 

      Developing acne

    • C. 

      Causing redness of the skin due to blood vessel dilation

    • D. 

      All the above are correct


  • 26. 
    Other types of modified sweat glands with specialized secretions are
    • A. 

      Holocrine glands and sudoriferous glands

    • B. 

      Mammary glands and ceruminous glands

    • C. 

      Merocrine glands and eccrine glands

    • D. 

      Endocrine and exocrine glands


  • 27. 
    Hair production begins at the
    • A. 

      Reticular layer of the dermis

    • B. 

      Papillary layer of the dermis

    • C. 

      Hypodermis

    • D. 

      Base of a hair follicle


  • 28. 
    Except for red hair, the natural factor responsible for various shades of hair color is
    • A. 

      The number of melanocytes

    • B. 

      The amount of carotene production

    • C. 

      The type of pigment present

    • D. 

      All of the above


  • 29. 
    The development of gray hair is due to the
    • A. 

      Death of hair follicles

    • B. 

      Production of air bubbles in the hair

    • C. 

      Production of gray pigments

    • D. 

      Reduction of melanocyte activity


  • 30. 
    The various types of hair are due to the
    • A. 

      Arrector pili

    • B. 

      Follicles

    • C. 

      Hair papilla

    • D. 

      Melanocytes


  • 31. 
    The shaft of the hair is stiff due to the presence of a protein substance called
    • A. 

      Elastin

    • B. 

      Collagen

    • C. 

      Keratin

    • D. 

      Vellus


  • 32. 
    The fine "peach fuzz" hairs formed over much of the body surface are called
    • A. 

      Vellus

    • B. 

      Lunula

    • C. 

      Arrector pili

    • D. 

      Eccrines


  • 33. 
    The immediate response by the skin to an injury is that
    • A. 

      Bleeding occurs, and mast cells trigger an inflammation response

    • B. 

      The epidermal cells are immediately replaced

    • C. 

      Fibroblasts in the dermis create scar tissue

    • D. 

      A scab is formed


  • 34. 
    The practical limit to the healing process in the skin is the formation of inflexible, fibrous, noncellular
    • A. 

      Scabs

    • B. 

      Skin gafts

    • C. 

      Ground substance

    • D. 

      Scar tissue


  • 35. 
    The appearance of blisters and very painful sensations is indicative of
    • A. 

      A first degree burn

    • B. 

      A second degree burn

    • C. 

      A third degree burn

    • D. 

      None of the above


  • 36. 
    The granulation tissue that appears during the healing process is a combination of
    • A. 

      A scab, fibrin, and macrophages

    • B. 

      A keloid, a blood clot, and newly arriving phagocytes

    • C. 

      A blood clot, fibroblasts, and an extensive capillary network

    • D. 

      Macrophages, fibroblasts, pathogens, and phagocytes


  • 37. 
    An essential part of the healing process during which the edges of a wound are pulled closer together is called
    • A. 

      Cyanosing

    • B. 

      Regressing

    • C. 

      Regeneration

    • D. 

      Contraction


  • 38. 
    Dangerously high body temperatures occur sometimes in the elderly due to
    • A. 

      Reduction in the number of Langerhan cells

    • B. 

      Decreased blood supply to the dermis

    • C. 

      Decreased sweat gland activity

    • D. 

      B and c only


  • 39. 
    A factor that causes increased skin damage and infection in the elderly is
    • A. 

      Decreased sensitivity of the immune system

    • B. 

      Decreased vitamin D production

    • C. 

      A decline in melanocyte activity

    • D. 

      A decline in glandular activity


  • 40. 
    Hair turns gray or white due to
    • A. 

      A decline in glandular activity

    • B. 

      A decrease in the number of Langerhan cells

    • C. 

      Decreased melanocyte activity

    • D. 

      Decreased blood supply to the dermis


  • 41. 
    Sagging and wrinkling of the integument results from
    • A. 

      A decline of germinativum cell activity in the epidermis

    • B. 

      A decrease in the elastic fiber network of the dermis

    • C. 

      A decrease in Vitamin D production

    • D. 

      Deactivation of sweat glands


  • 42. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Protection

    • B. 

      Fat storage

    • C. 

      Excretion

    • D. 

      Secretion

    • E. 

      Cutaneous


  • 43. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Dermis

    • B. 

      Germinativum

    • C. 

      Spinosum

    • D. 

      Granulosum

    • E. 

      Lucidum


  • 44. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Touch

    • B. 

      Pain

    • C. 

      Secretion

    • D. 

      Pressure

    • E. 

      Temperature


  • 45. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Hair follicles

    • B. 

      Melanocytes

    • C. 

      Sebaceous glands

    • D. 

      Sweat glands

    • E. 

      Nails


  • 46. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Protect

    • B. 

      Cushion

    • C. 

      Stabilize

    • D. 

      Insulate

    • E. 

      Guard


  • 47. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Sebaceous

    • B. 

      Holocrine

    • C. 

      Acne

    • D. 

      Sebum

    • E. 

      Apocrine


  • 48. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Apocrine

    • B. 

      Merocrine

    • C. 

      Sebaceous

    • D. 

      Eccrine

    • E. 

      Sweat


  • 49. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Cuticle

    • B. 

      Arrector pili

    • C. 

      Lunula

    • D. 

      Nail root

    • E. 

      Eponychium


  • 50. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Increased immunity

    • B. 

      Dry skin

    • C. 

      Gray hair

    • D. 

      Wrinkling

    • E. 

      Weak muscles


  • 51. 
    Choose the term that does not belong in each of the following groups
    • A. 

      Papillary

    • B. 

      Reticular

    • C. 

      Collagen

    • D. 

      Dermis

    • E. 

      Epidermis


  • 52. 
    Keratin, a fibrous protein, would be found primarily in the

  • 53. 
    The layer where the skin is thick, such as the palms of the hands and soles of the feet, is called the

  • 54. 
    Small amounts of ultraviolet radiation are beneficial because it stimulates the synthesis of

  • 55. 
    The pigment that absorbs ultraviolet radiation before it can damage mitochondrial DNA is

  • 56. 
    Melanocytes prevent skin damage due to UV light by protecting the______________ within the nuclei of epidermal cells

  • 57. 
    Melanocytes begin producing melanin when they are exposed to

  • 58. 
    Protection for the tips of the fingers and toes is provided by the

  • 59. 
    Hair develops from a group of epidermal cells at the base of a tubelike depression called a(n)

  • 60. 
    The accessory structures that prevent the entry of foreign particles into the eye are the

  • 61. 
    The arrector pili are muscles of the integument involved in creating

  • 62. 
    In older Caucasians, the skin becomes very pale because of a decline in ________ activity

  • 63. 
    In older adults, dry and scaly skin is usually a result of a decrease in __________ activity.

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