Integumentary System True/False Statements:

Identify the True statements by placing a “T” on the blank, identify False statements by leaving the spaceblank.

  1. ____ Pigment cells are in the dermis layer of skin.
  2. ____ There are only three types of sweat glands in the body.
  3. ____ The dermis is the layer of tissue deep to the epidermis.
  4. ____ Skin plays a role in regulating body temperature.
  5. ____ Small amounts of vitamin D are produced in the epidermis in the presence of sunlight.
  6. ____ Melanin functions as a type of sweat gland.
  7. ____ Skin is often 1 meter thick.
  8. ____ The epidermis is the superficial layer of skin.
  9. ____ Hundreds of skin cells rub off every time you take a shower.
  10. ____ The more melanin you produce, the darker the color of your skin.
  11. ____ No nerve endings are found in the integument.
  12. ____ The integumentary system includes the eyes and ears.
  13. ____ Skin releases a small amount of wastes from the body.
  14. ____ Skin serves as a protective covering for the body.
  15. ____ Epidermal cells usually grow and divide from the upper layers of the skin and migrate towards the dermis.
  16. ____ There are no blood vessels in the epidermis.
  17. ____ The cells in the epidermis are mostly stratified squamous epithelial cells.
  18. ____ Thehypodermalregion has adipose cells that help to insulate the body from heat as well as from cold.
  19. ____ Most accessory structures found within the dermis are actually of epidermal origin.
  20. ____ Hair and nails are both composed of chemical compounds that include keratin.
  21. ____ Sudoriferous glands are only associated with hair follicles and do not exist alone by themselves.
  22. ____ The body produces carotene when exposed to sunlight.
  23. ____ The hypodermis is also known as the subdermal layer.
  24. ____ Melanocytes are the most abundant pigment-producing cells in the dermis.
  25. ____ A child who has been playing in the dirt will accumulate dirt in the lunula of the nail.
  26. ____ Blood vessels in the dermis will constrict when the external environment is cold, minimizing heat loss from the skin.
  27. ____ Melanin functions as a “sunscreen”.
  28. ____ The dermis contains two histologically separate areas.
  29. ____ Arrectorpilli muscles cause “goosebumps”.
  30. ____ Fingernails are not considered part of the integumentary system.
  31. ____ All races have virtually the same number of melanocytes.
  32. ____ All races produce virtually the same amount of melanin.
  33. ____ Vasodilation and vasoconstriction occur in the dermis to regulate body temperature.
  34. ____ The integument plays an important role in communicating with the brain.
  35. ____ Apocrine glands are found on the palms of hands.
  36. ____ Melanoblasts produce the dark pigment called melanin.
  37. ____ Sebaceous glands are actually oil glands.
  38. ____ The papillary layer is the deeper of the two layers in the dermis.
  39. ____ Sensory receptors are distributed evenly throughout the body surface.
  40. ____ The stratum corneum accounts for the largest portion of the epidermis.
  41. ____ Apocrine glands are not active until puberty.
  42. ____ Dilating blood vessels help to keep the body warm.
  43. ____ Living epidermal cells are exfoliated from the skin surface as tiny specks called dandruff.
  44. ____ The youngest epidermal cells are located in the stratum basale.
  45. ____ Melanin, hemoglobin, and carotene give color to skin.
  46. ____ Hair and nails are composed of collagen.
  47. ____ Melanocytes are responsible for creating the pigment for our hair.
  48. ____ The nail bed appears pink/red in color because of the blood flow in the dermis beneath that area.
  49. ____ As sebum secretions increase, the body will become less permeable to water and less likely to dessicate.
  50. ____ The elderly are more likely to become sunburned because they have decreased melanocyte activity.