Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The main component of hair is a ____ called keratin.
a. | pigment | c. | type of tissue | b. | protein | d. | liquid |
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2.
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The part of the hair that extends above the skin surface is the ____.
a. | hair shaft | c. | follicle | b. | hair root | d. | dermal papilla |
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3.
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The portion of the hair that is enclosed within the follicle is the ____.
a. | dermal papilla | c. | hair shaft | b. | hair bulb | d. | hair root |
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4.
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The hair bulb is the ____.
a. | upper part of the hair root | b. | lower part of the hair root | c. | round-shaped part of
the hair shaft | d. | muscle that controls the growth of the hair |
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5.
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The dermal papilla supplies ____ to the tissue that lines the hair
follicle.
a. | keratin | c. | oxygen and nutrients | b. | lymph | d. | blood |
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6.
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The ____ glands secrete sebum.
a. | moisture | c. | pili | b. | sweat | d. | sebaceous |
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7.
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Oxidation tints and other chemical hair products must have a pH _____.
a. | below 5.0 | c. | above 7.0 | b. | below 7.0 | d. | None of the answers are
correct. |
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8.
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Hair ____ mature in a process called keratinization.
a. | glands | c. | shafts | b. | follicles | d. | bulbs |
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9.
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Amino acids are joined ____ by peptide bonds.
a. | end-to-side | c. | side-to-side | b. | end-to-end | d. | None of the answers are
correct. |
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10.
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The three different types of ____ bonds are hydrogen, salt, and
disulfide.
a. | keratin | c. | side | b. | hair | d. | chain |
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11.
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____ side bonds are easily broken by water or heat.
a. | Chemical | c. | Hydrogen | b. | Polypeptide | d. | Salt |
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12.
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When ____ bonds are broken through overstretching or the use of strong acidic or
alkaline solutions, the hair can be weakened or damaged to the point of breakage.
a. | even a few | c. | more than 70 percent of | b. | more than 30 percent
of | d. | all |
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13.
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Hydrogen bonds add ____ to the hair and keep parallel polypeptide chains
together.
a. | color | c. | coarseness | b. | body | d. | sebum |
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14.
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Hydrogen bonds may be broken by ____.
a. | water | c. | neutral solutions | b. | dilute alkaline solutions | d. | All answers are
correct. |
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15.
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Salt bonds depend on pH and account for ____ of the hair’s total
strength.
a. | one-quarter | c. | one-half | b. | one-third | d. | two-thirds |
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16.
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Disulfide bonds are the ____ side bonds in the cortex.
a. | strongest | c. | most numerous | b. | weakest | d. | only physical |
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17.
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The atoms of neighboring ____ amino acids that are joined together by disulfide
bonds are atoms of sulfur.
a. | lysteine | c. | sulfide | b. | cysteine | d. | bisulfide |
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18.
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Ammonium thioglycolate permanent waves and ____ chemical hair relaxers break
disulfide bonds.
a. | hydrogen peroxide | c. | carbon | b. | nitrogen oxide | d. | sodium
hydroxide |
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19.
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Secondary terminal hair appears on the ____.
a. | scalp | c. | scalp and beard | b. | beard | d. | palms |
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20.
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Healthy hair on the scalp grows about  ____. a. | inch per month | c. | inch per year | b. | inch per week | d. | foot every 2
years |
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21.
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Hair growth is not increased by any of the following except ____.
a. | shaving | c. | applying ointments | b. | trimming | d. | the time of the
year |
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22.
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A tuft of hair standing straight up is known as a ____.
a. | forelock | c. | wave pattern | b. | cowlick | d. | whorl |
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23.
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During the ____ phase, the hair bulb disappears.
a. | resting | c. | catagen | b. | anagen | d. | telogen |
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24.
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During the ____ phase, the hair is shed.
a. | telogen | c. | anagen | b. | catagen | d. | transition |
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25.
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At any given time, about ____ percent of scalp hair is growing in the anagen
phase.
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26.
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The hair’s ____ is its ability to absorb moisture.
a. | elasticity | c. | density | b. | porosity | d. | texture |
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27.
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Resistant hair has ____ porosity.
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28.
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Wet hair with ____ elasticity can stretch up to 50 percent of its original
length and return to that length without breaking.
a. | low | c. | high | b. | normal | d. | extremely high |
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29.
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Alopecia is the technical term for ____.
a. | any abnormal hair loss | c. | white hair | b. | complete baldness | d. | gray hair |
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30.
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____ is hair loss that occurs as a result of genetics, age, and hormonal changes
that cause the miniaturization of terminal hair, converting it to vellus hair.
a. | Porosity | c. | Androgenic alopecia | b. | Alopecia senilis | d. | Alopecia
prematura |
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31.
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Androgenic alopecia in men is also called ____.
a. | tonsure baldness | c. | premature hair loss | b. | horseshoe baldness | d. | male pattern
baldness |
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32.
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____ is a topical treatment that is applied to the scalp twice a day.
a. | Minoxidil | c. | Furuncle | b. | Alopecia | d. | Folliculitis |
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33.
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____ is a fungal infection that occurs chiefly over the bearded area.
a. | Folliculitis barbae | c. | Tinea sycosis | b. | Pediculosis capitis | d. | Tinea favosa |
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34.
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Animal parasites cause ____ and scabies.
a. | pityriasis capitis simplex | c. | pheomelanin | b. | pediculosis
capitis | d. | primary terminal
hair |
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35.
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Sycosis vulgaris, ____, and pseudofolliculitis barbae are staphylococcal
infections involving the follicles.
a. | pediculosis capitis | c. | folliculitis | b. | lanugo | d. | medulla |
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36.
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____ is abnormal hair growth and can be treated in the barbershop.
a. | Tinea | c. | Hypertrichosis | b. | Sycosis vulgaris | d. | Scabies |
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37.
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Brittle hair is technically known as ____.
a. | fragilitas crinium | c. | monilethrix | b. | hypertrichosis | d. | trichorrhexis
nodosa |
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