Milady's Review - Properties Of The Hair & Scalp

Front 1

1. The scientific study of the hair, its diseases, and its care is called:

Back 1

c) trichology

Front 2

2. The two main divisions of the hair are the hair root and the:

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a) hair shaft

Front 3

3. The three main structures associated with the hair root are the follicle, the bulb, and the:

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d) dermal papilla

Front 4

4. The hair root is contained in a tube-like depression, or pocket, in the skin known as the:

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c) follicle

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5. The club-shaped structure that forms the lower part of the hair root is the:

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d) hair bulb

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6. The blood and nerve supply that provides nutrients needed for hair growth are contained in the:

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b) dermal papilla

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7. The tiny involuntary muscle in the skin that contracts and causes "goose bumps" is the:

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d) arrector pili

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8. The oily substance called sebum is secreted by the:

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c) sebaceous glands

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A figure of speech which assigns human qualities to inanimate objects or concepts. These are the lips of the lake, on which no beard grows. It licks its chops from time to time.
(Henry David Thoreau, Walden)

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personification

Front 10

10. The layer of the hair shaft that protects it from penetration and damage is the:

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c) cuticle

Front 11

11. Generally, only think, coarse hair contains a:

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d) medulla

Front 12

12. About 90% of the total weight of hair comes from the:

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d) cortex

Front 13

13. Liquids can penetrate the hair only when the __ is raised.

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c) cuticle

Front 14

14. In order to penetrate the cuticle layer and reach the cortex, oxidation haircolours, perm solutions, and chemical relaxers must have:

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b) an alkaline pH

Front 15

15. the changes that take place in the hair during permanent waving, chemical relaxing, and oxidation haircolouring occur in the:

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d) cortex

Front 16

16. As living cells of the hair mature, they fill up with a protein called:

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b) keratin

Front 17

17. The elements that make up the amino acids in the hair are carbon, nitrogen, hydrogen,:

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c) oxygen and sulfur

Front 18

18. Of the five elements in human hair, the element that makes up the highest percentage is:

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d) carbon

Front 19

19. the chemical bonds that join amino acids to each other are called:

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a) peptide bonds

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20. The bonds that account for the strength and elasticity of hair are the:

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a) side bonds

Front 21

21. There are three different types of side bonds in the cortex:

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c) hydrogen, salt, and disulfide bonds

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22. The strongest side bonds in the cortex are the:

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d) disulfide bonds

Front 23

23. A disulfide bond joins the __ atoms of two neighbouring cysteine amino acids to create cystine.

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d) sulfur

Front 24

24. Disulfide bonds can be broken by:

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c) perms and relaxers

Front 25

25. A hydrogen bond is a physical side bond that is easily broken by:

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c) water and heat

Front 26

26. All natural hair colour is based on the ratio of:

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b) eumelanin to pheomelanin

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27. The pigment that provides natural hair colours from red and ginger to yellow/blonde is:

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d) pheomelanin

Front 28

28. All natural hair colour is the result of the pigment located within the:

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c) cortex

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29. The amount of movement in the hair strand is referred to as its:

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a) wave pattern

Front 30

30. A cross-section of a wavy hair strand is usually:

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a) oval

Front 31

31. Extremely curly hair that forms coils usually:

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d) has a fine texture

Front 32

32. The four most important factors to consider in a hair analysis include all the following except:

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c) length

Front 33

33. Hair texture is defined as the hair's:

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d) diameter

Front 34

34. The hair's ability to absorb moisture is its:

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a) porosity

Front 35

35. __ hair has the largest diameter.

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b) coarse

Front 36

36. The hair texture that is most susceptible to damage from chemical services is:

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a) fine

Front 37

37. The number of individual hair strands on 1 square inch of scalp is referred to as:

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a) density

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38. The number of hairs on the head generally varies with the:

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c) colour of the hair

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39. The thickest hair (highest density) is generally found among people with:

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b) blonde hair

Front 40

40. Hair with low porosity is considered:

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c) resistant

Front 41

41. Hair with high porosity is generally the result of:

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c) overprocessing

Front 42

42. Wet hair with normal elasticity will stretch up to __ of its original length and return to that same length without breaking.

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c) 50%

Front 43

43. Hair flowing in the same direction is called a:

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b) hair stream

Front 44

44. Dry hair and scalp are caused by:

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d) inactive sebaceous glands

Front 45

45. All the following characteristics apply to vellus hair except:

a) more abundant on men
b) found on infants
c) lacking a medulla
d) not pigmented

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a) more abundant on men

Front 46

46. Hormonal changes during puberty cause some areas of vellus hair to be replaced with:

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b) terminal hair

Front 47

47. The three phases of hair growth are anagen, catagen, and:

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d) telogen

Front 48

48. The growth phase of the hair growth cycle is known as:

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a) anagen

Front 49

49. The follicle canal shrinks and detaches from the dermal papilla during

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c) catagen phase

Front 50

50. About __ of scalp hair is growing in the anagen phase at any one time.

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a) 90%

Front 51

51. The phase of hair growth that lasts the shortest time is the:

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b) catagen phase

Front 52

52. The resting phase of the hair growth cycle is known as:

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c) telogen

Front 53

53. About __ of the hair is in the resting phase at any one time.

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d) 10%

Front 54

54. One common hair myth is:

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b) scalp massage increase hair growth

Front 55

55. Gray hair is exactly the same as pigmented hair except that it:

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a) lacks melanin

Front 56

56. A loss of 35 to 40 hairs a day is considered:

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b) normal

Front 57

57. Abnormal hair loss is called:

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c) alopecia

Front 58

58. A client's hair must be __ before any service.

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c) analyzed

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59. By age 35, almost __ percentage of men and women show some degree of hair loss.

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a) 40

Front 60

60. In men, a horseshoe-shaped fringe of hair is referred to as:

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d) male pattern baldness

Front 61

61. A miniaturization of terminal hair contributes to:

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b) androgenic alopecia

Front 62

62. A type of alopecia characterized by the sudden falling out of hair in round patches or baldness in sports is called:

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b) alopecia areata

Front 63

63. In women, androgenic alopecia shows up as:

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a) general thinning of crown hair

Front 64

64. Hair loss at the conclusion of a pregnancy is called:

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b) postpartum alopecia

Front 65

65. A topical medication applied to the scalp that has been proven to stimulate hair growth is:

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d) minoxidil

Front 66

66. Of the two products proven to stimulate hair growth, the oral prescription drug is called:

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d) finasteride

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67. Finasteride is not prescribed for women because of strong potential for:

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a) birth defects

Front 68

68. Among the various treatments for hair loss, hair plugs are the:

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b) surgical treatment

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69. Hair plugs may be transplanted by:

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c) surgeons

Front 70

70. The technical term for gray hair is:

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c) canities

Front 71

71. The type of canities that exists at or before birth is known as:

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c) congenital canities

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72. The type of canities that develops with age and is the result of genetics is called:

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c) acquired canities

Front 73

73. Ringed hair is a variety of:

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b) canities

Front 74

74. The technical term for beaded hair is:

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d) monilethrix

Front 75

75. The technical term for split ends is:

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a) trichoptilosis

Front 76

76. Abnormal growth of hair is called:

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d) hypertrichosis

Front 77

77. A condition characterized by brittleness and nodular swellings along the hair shaft is:

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d) trichorrhexis nodosa

Front 78

78. Wax hair removed, tweezing, shaving, and electrolysis are among the treatments for:

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c) hypertrichosis

Front 79

79. The condition in which the hairs may split at any part of their length is called:

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d) fragilitas crinium

Front 80

80. Dry dandruff, thin scales, and an itchy scalp are typical of:

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b) pityriasis capitis simplex

Front 81

81. Pityriasis steatoides is a scalp inflammation marked by:

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b) greasy or waxy dandruff

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82. Clients with tinea capitis should be:

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a) referred to a physician

Front 83

83. Tinea, or ringworm, is caused by:

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b) vegetable parasites

Front 84

84. Ringworm of the scalp is also known by the technical term:

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b) tinea capitis

Front 85

85. Dry, sulfur-yellow, cuplike crusts on the scalp, called scutula, are characteristic of:

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b) tinea favosa

Front 86

86. The contagious skin disease caused by the itch mite burrowing under the skin is known as:

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b) scabies

Front 87

87. Pediculosis capitis is the infestation of the hair and scalp with:

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c) head lice

Front 88

88. A boil is also known as:

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c) a furuncle

Front 89

89. An inflammation of the subcutaneous tissue caused by staphylococci is called:

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d) a carbuncle

Front 90

90. Preventing the spread of tinea, pityriasis, and staphylococci infections involves proper:

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a) sanitation and disinfection