Integumentary System

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Integumentary System
2013-04-03 17:54:09

haps 7
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  1. what is the outermost and thinnest layer of skin compised of stratified squamous epithelia
  2. what fills cells with a tough, waterproof protein when they approach the surface of the skin
  3. what does the pigment layer of the epidermeris contain
  4. what produces melanin
  5. what determines skin color and our ability to prevent UV skin injury
  6. what is the deeper and thicker layer of the cutaneous membrane comprised mainly of arranged connective tissues
  7. what is the most superficial portion of the dermis made up of
    parallel rows of dermal papillae
  8. what allows the dermis to bind with the epidermis and gives human unique fingerprints
    dermal papillae
  9. what area of the body contains blood vessles and nerves that feed the integument
    hypodermis/ subcutaneous/ superficial fascia layer
  10. what part of the integumentary system provides physical and UV light protection and heat insulation
  11. what part of the integumentary system prevents dirft, micro and macro organisms into the ears, nose and eyes
  12. how many hairs on are the scalp
  13. how much does hair grow each day
    .3mm per day
  14. what is the fine, temporary downy hair on an infant called
  15. what is an extension of the epidermis into the dermis that will house hair
    hair follicle
  16. what is the hair that is seen called
  17. what is the hair that is not seen called
  18. what is the origin of hair, and is innervated by nerves and blood vessels from the hypodermis
    hair papilla
  19. what part of the integumentary system is a small smooth muscle that is attached to both the hair follicle and epidermal/dermal junction
    arrector pili
  20. what part of the integumentary contracts when its cold or becuase of emotional interaction and causes goose bumps
    arrector pili
  21. what skin gland secretes a lipid fluid/sebum
  22. which skin gland lubricates the hair root, moisturizes the epidermis, and inhibits bacterial growth
  23. which skin gland secretes sweat through ducts to the epidermis
  24. what components make up sweat
    • 99%water
    • 1% electrolytes
  25. what are the two types of sudoriferous glands
    • apocrine
    • merocrine/eccrine
  26. which type of sudoriferous gland sends sweat to the epidermis via hair follicles
  27. where are apocrine glands found
    • armpits
    • genitals
    • nipples
  28. which type of sudoriferous gland secreations are very fluid and released through their own ducts to the epidermis
  29. what are the 6 functions of the integumentary system
    • protection
    • temperature reg
    • environmental sensor
    • vitamin d production
    • blood reservoir
    • water regulation
  30. what does the integumenatry protect agaisnt
    • microorganisms entering body
    • UV light penetrating the epidermis
    • harmful chemicals entering body
    • cuts, tears, and physical contact
  31. what function of the integumenatry system involves the contraction of arector pili muscles to provide heat production and sweat release
    temp regulation
  32. how can the body temperature increase or decrease
    by diverting blood to or away from the cutaneous membrane
  33. what function of the integumentary system involves skin recepotrs that detect change in temp, pressure, texture and relay info to brain
    environmental sensor
  34. what function of the integumentary system involves vitamin d that is synthesized from cholesterol by epidermal cells when exposed to sunlight
    vitamin d production
  35. what function of the integumentary system involves the extensive vascular supply of the dermis allow skin to hold 5% of blood volume
    blood resevrvoir
  36. what function of the integumentary system regulates water leaving and prevents water from entering the body
    water regulation
  37. what are the most serious and frequent disorders of the integumentary system
  38. what integumentary system disorder is tissue damage caused by friction, extreme temp, chemicals, electricity, radiation, or UV light
  39. which degree of burn is only the damage of the epidermis with localized redness, swelling and pain
    first degree
  40. how long does it take for a first degree burn to heal
    3-5 days
  41. what is an example of a first degree burn
    mild sunburn
  42. which degree of burn involves damage to the epidermis and upper dermis with localized redness, swelling, pain and blisters
    2nd degree
  43. how long does it take for a 2nd degree burn to heal
    3-4 weeks
  44. which degree of burn involves the damage or loss of both layers of skin and its underlying tissues
    3rd degree
  45. which degree of burn results in gray-white, black or cherry red with little or no swealing and is not painful at first
    3rd degree
  46. what degree of burn requires a skin graph otherwise healing will not occur and scarring will occur
    3rd degree
  47. what disorder is the abnormally fast cellular divisions creating neoplams/tumors that may be benign or malignant
  48. what are the 3 types of skin tumors
    • basal cell carcinoma
    • squamous cell carcinoma
    • malignant melanoma
  49. what type of skin cancer is the most common and least malignant
    basal cell carcinoma
  50. what type of skin cancer is slow growing and metastais rarely occurs, full cure by removal in 99% cases
    basal cell carcinoma
  51. what type of skin cancer is the 2nd most common and usually occurs on the scalp, ears, dorsum of hands and lower lip
    squamous cell carcinoma
  52. what type of skin cancer appears as a small rounded elevation of skin
    squamous cell carcinoma
  53. what type of skin is thought to be sun induced and curable if detected and treated by removal or radiation, cure rate 90%+
    squamous cell carcinoma
  54. what type of skin cancer is of melanocytes and accounts for 5% of skin cancers
    malignant melanoma
  55. where does melonoma occur
    wherever there is pigment in the skin as a spreading brown patch metastasizes rapidly
  56. what does ABCDE stand for when recognizing melanoma
    • A- asymmetry of colored spot or mole
    • B- border irregularity
    • C- colors within the colored spot or mole varies
    • D- diameter is larger than 6 mm
    • E- evolving or changing mole
  57. what disorder is the hair loss of any kind
  58. what is alopecia caused by
    • genetics
    • diet
    • high fever
    • pregnancy hormones
    • thryroid disease
    • lupus disease
    • infectino chemo
    • radiation
    • stress
    • drug
    • endocrine hyper or hyposecretion