Chapter 11 Cosmetology

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Anonymous
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194347
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Chapter 11 Cosmetology
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2013-01-21 21:31:54
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Christina Milady
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Chapter 11: Study Guide
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  1. The study of hair is technically called ____.
    trichology 
  2. The technical term for the hair found on the face is known as ____.
    Vellus
  3. One basic requisite for healthy hair is a ____.
    Healthy Diet
  4. Full-grown human hair is divided into two principal parts which are known as the hair root and ____.
    hair shaft
  5. The technical term for hair found on the head is ____ hair.
    terminal
  6. A tube-like depression or pocket in the skin or scalp that encases the hair root is called the ___.
    follicle
  7. The thickened, club-shaped structure that forms the lower part of the hair root is known as the ____.
    hair bulb
  8. The small involuntary muscle attached to the underside of the hair follicle is called the ___.
    arrector pili
  9. Fear or cold causes the ____ to contract, which makes the hair stand up straight, giving the appearance of goose bumps.
    arrector pili
  10. Oil glands which consist of a sac-like structure in the dermis are the ____ glands.
    sabaceous
  11. An oily substance secreted from the sabaceous glands which keeps the skin soft and supple is ____.
    sebum
  12. Hair is composed of cells arranged in ____ layers.
    three
  13. The outermost layer of the hair is called the ____.
    cuticle
  14. The cuticle layer of the hair can be raised by ____.
    swelling
  15. The two most common types of ____ infections are furuncles and carbuncles.
    staphylocci
  16. The ____ is the middle layer of the hairwhich gives elasticity.
    cortex
  17. The ____ is that portion of the hair that projects beyond the skin.
    hair shaft
  18. The ____ is the portion of the hair that is located below the surface of the scalp.
    hair root
  19. The small cone-shaped area located at the base of the follicle is the ____.
    dermal papilla
  20. The average growth of healthy hair on the scalp is about ____ inch (cm) per month.
    one-half (1.25 cm)
  21. Hair flowing in the same direction is known as ____.
    hair stream
  22. Cross-sections of straight hair tend to be ____.
    round
  23. Hair is composed of protein that grows from cells originating within the hair follicle. They mature in a process called ____.
    keratinization
  24. Cross-sections of curly hair tend to be ____.
    oval
  25. Qualities by which human hair is analyzed are texture, density, ____, ____.
    porosity and elasticity
  26. The ability of the hair to stretch and return to its original form is _____.
    elasticity
  27. The ability of the hair to absorb moisture is known as ____.
    porosity
  28. Hair is composed of protein that grows from ____ originating within the hair follicle.
    cells
  29. Hair is approximately ____ protein.
    90%
  30. The technical term for the most common type of hair loss is ____.
    androgenic alopecia
  31. Hair protein is made up of long chains of _____, which are made up of elements.
    amino acids 
  32. A long chain of amino acids linked by peptide bonds is called a ____ chain.
    polypeptide 
  33. A ____ bond is physical side bond that is easily broken by water or heat.
    hydrogen
  34. Minoxidil is a ____ medication applied to the scalp to stimulate hair growth.
    topical
  35. The technical term for gray/ unpigmented hair is ____.
    canities
  36. Salt bonds are easily broken by strong ____ or ____ solutions.
    alkaline or acidic
  37. An abnormal development of hair on areas of the body that normally bear only downy hair is known as ____ or hirsutism.
    hypertrichosis
  38. The technical term for split hair ends is ____.
    trichoptilosis
  39. Trichorrhexis nodosa, or knotted hair, is the dry, brittle condition including formation of ____ swellings along the hair shaft.
    nodular
  40. The technical term for beaded hair is ____, which may be improved with scalp and hair treatments.
    monilethrix
  41. Fragilitas crinium is the technical term for ____ hair that may split at any part of its length.
    brittle
  42. A ____ bond joins the sulfur atoms of two neighboring amino acids.
    disulfide
  43. Pityriasis is the medical term for ____.
    dandruff
  44. Two different types of malanin are ____ and pheomelanin.
    eumelanin
  45. The two principals types of dandruff include pityraisis capitis ____ (the dry type) and pityriasis ____ (the greasy or waxy type).
    simplex and steatoides 
  46. Honeycomb ringworm is characterized by dry, sulfur-yellow, cup-like crusts on the scalp called ____.
    scutula
  47. ____ is a highly contagious, animal parasitic skin disease caused by the itch mite.
    scabies
  48. A contagious condition caused by the head louse is ____ capitis.
    pediallosis
  49. A furuncle, or ____, is an acute localized bacterial infection of a hair follicle.
    boil
  50. A ____ is the result of an acute staphylococci infection and is larger than a furuncle.
    carbuncle

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