WorksheetsCosmetology Ch. 20: Chemical Texture Services
Total questions: 70
Worksheet time: 35mins
Name
Class
Date
1.
Chemical texture procedures involve changing the structure of the hair:
a)
neither physically nor chemically
b)
both physically and chemically
c)
physically
d)
chemically
2.
The natural pH of hair is between:
a)
7.0 and 9.0
b)
4.5 and 5.5
c)
2.0 and 3.0
d)
3.5 and 5.0
3.
Compounds consisting of carbon, oxygen, hydrogen, nitrogen, and sulfur are:
a)
side bonds
b)
keratin proteins
c)
peptide bonds
d)
amino acids
4.
Peptide bonds are also known as:
a)
end bonds
b)
keratin proteins
c)
polypeptide chains
d)
side bonds
5.
The strongest of the three side bonds are:
a)
peptide bonds
b)
hydrogen bonds
c)
salt bonds
d)
disulfide bonds
6.
Salt bonds are broken by:
a)
cooling
b)
heat
c)
changes in pH
d)
water
7.
In permanent waving, the size of the curl is determined by the:
a)
size of the rod
b)
product selected
c)
hair texture
d)
hair condition
8.
The most common type of perm rod is the:
a)
loop rod
b)
concave rod
c)
straight rod
d)
soft bender rod
9.
Which end paper technique uses one end paper folded in half over the hair ends like an envelope?
a)
base wrap
b)
double flat wrap
c)
single flat wrap
d)
bookend wrap
10.
Base placement is determined by the:
a)
width of the rod being used
b)
angle at which the hair is wrapped
c)
length of the hair
d)
base section used
11.
For _____ placement, the hair is wrapped at a 45-degree angle beyond perpendicular to its base section, and the rod is positioned on its base.
a)
off-base
b)
on-base
c)
quarter-base
d)
half off-base
12.
In half off-base placement, the hair is wrapped at an angle of:
a)
30 degrees below the center of the base section
b)
45 degrees below the center of the base section
c)
45 degrees past perpendicular to the base section
d)
90 degrees or perpendicular to the base section
13.
A _____ perm wrap is wrapped perpendicular to the length of the rod, in overlapping concentric layers.
a)
bricklay
b)
spiral
c)
croquignole
d)
curvature
14.
The strength of the permanent waving solution is determined primarily by the concentration of:
a)
hydrogen peroxide
b)
water
c)
ammonia
d)
thio
15.
What is the active ingredient in alkaline permanents?
a)
phenylenediamine
b)
hydrogen peroxide
c)
ammonium thioglycolate
d)
sodium hydroxide
16.
Cold wave is another term for a(n) _____ wave.
a)
exothermic
b)
alkaline
c)
true acid
d)
acid-balanced
17.
What is the main active ingredient in true acid and acid-balanced waving lotions?
a)
thioglycolic acid
b)
hydrogen peroxide
c)
ATG
d)
GMTG
18.
True acid waves have a pH between:
a)
2.5 and 5.5
b)
4.5 and 7.0
c)
7.5 and 9.5
d)
7.0 and 10.0
19.
A pH of _____ is neutral for hair.
a)
9
b)
7
c)
4
d)
5
20.
What kind of waves are sulfites used in?
a)
low-pH
b)
endothermic
c)
ammonia-free
d)
thio-free
21.
What two important functions are performed by the neutralization process?
a)
activating waving solution and rebuilding disulfide bonds
b)
deactivating waving solution and rebuilding disulfide bonds
c)
activating waving solution and breaking disulfide bonds
d)
deactivating waving solution and breaking disulfide bonds
22.
Thio neutralization rebuilds disulfide bonds by:
a)
removing hydrogen
b)
adding hydrogen
c)
adding oxygen
d)
removing oxygen
23.
The basic permanent wrap is also known as a:
a)
bricklay permanent wrap
b)
straight set wrap
c)
curvature permanent wrap
d)
piggyback wrap
24.
Which wrapping pattern uses pie-shaped base sections?
a)
bricklay permanent wrap
b)
weave technique
c)
piggyback wrap
d)
curvature permanent wrap
25.
The measurement of the thickness or thinness of a liquid that affects how the fluid flows is:
a)
texture
b)
porosity
c)
viscosity
d)
elasticity
26.
The neutralizer used with thio relaxers is usually:
a)
ATG
b)
hydrogen peroxide
c)
ammonia
d)
water
27.
Which straightening method combines use of a thio relaxer with flat ironing?
a)
low-pH relaxer
b)
Japanese thermal straightening
c)
hydroxide relaxer
d)
lye-based relaxer
28.
Hydroxide relaxers remove one atom of sulfur from a disulfide bond, converting it into a _____ bond.
a)
lanthionine
b)
neutral
c)
hydrogen
d)
sulfur
29.
Guanidine hydroxide relaxers are advertised and sold as _____ relaxers.
a)
metal hydroxide
b)
lye-based
c)
low-pH
d)
no-lye
30.
What is used to protect the skin and scalp during hair relaxing?
a)
hydrogen peroxide
b)
waving lotion
c)
normalizing lotion
d)
base cream
31.
The application for a virgin relaxer starts _____ away from the scalp.
a)
1-1/2 inch to 2 inches
b)
1 inch to 1-1/2 inches
c)
1/4-inch to 1/2-inch
d)
3/4-inch to 1 inch
32.
A _____ is a thio-based chemical service that reformats curly and wavy hair into looser and larger curls and waves.
a)
Japanese thermal straightener
b)
soft curl permanent
c)
hydroxide relaxer
d)
bricklay permanent wrap
33.
A _____ is a conditioner with an acidic pH that conditions hair and restores the natural pH prior to shampooing.
a)
keratin treatment
b)
lye-based relaxer
c)
base cream
d)
normalizing lotion
34.
Generally, keratin straightening treatments eliminate up to what percent of frizz and curl?
a)
95 percent
b)
80 percent
c)
40 percent
d)
65 percent
35.
The side bonds of the _____ must be broken in order to change the natural wave pattern of the hair.
a)
cortex
b)
medulla
c)
pith
d)
cuticle
36.
Which type of hair requires a highly alkaline chemical solution?
a)
hair that has been chemically treated
b)
damaged hair
c)
coarse, resistant hair
d)
porous hair
37.
Polypeptide chains are long chains of amino acids joined together by _____ bonds.
a)
hydrogen
b)
salt
c)
disulfide
d)
peptide
38.
A _____ bond is NOT a type of side bond.
a)
peptide
b)
hydrogen
c)
disulfide
d)
salt
39.
Hydrogen bonds can be broken by:
a)
heat or changes in pH
b)
water or cooling
c)
water or heat
d)
cooling or changes in pH
40.
Disulfide bonds account for about _____ of the hair's overall strength.
a)
one-eighth
b)
one-quarter
c)
one-half
d)
one-third
41.
The base direction can be:
a)
horizontal, vertical, or diagonal
b)
diagonal or horizontal
c)
horizontal or vertical
d)
vertical or diagonal
42.
The reduction reaction in permanent waving is due to the:
a)
addition of oxygen
b)
addition of hydrogen
c)
removal of hydrogen
d)
removal of oxygen
43.
Which of these is NOT a component of all exothermic waves?
a)
neutralizer
b)
activator
c)
hydroxide relaxer
d)
permanent waving solution
44.
Which type of metal is NOT commonly used to form ionic compounds in metal hydroxide relaxers?
a)
lithium (Li)
b)
magnesium (Mg)
c)
sodium (Na)
d)
potassium (K)
45.
When the silicone polymers and formalin in keratin-based straightening treatments are heated to high temperatures, they release:
a)
methane
b)
chlorine gas
c)
formaldehyde gas
d)
water vapor
46.
An acid-balanced wave has a pH of:
a)
9.5
b)
8.0
c)
5.5
d)
7.0
47.
Which type of wave is activated by an outside heat source, such as a conventional hood-type hair dryer?
a)
endothermic
b)
exothermic
c)
alkaline
d)
ammonia-free
48.
A properly processed permanent wave should break and rebuild approximately _____ percent of the hair's disulfide bonds.
a)
95
b)
75
c)
25
d)
50
49.
Which type of perm should you recommend if the client has very damaged hair?
a)
thio-free wave
b)
ammonia-free wave
c)
alkaline wave
d)
true acid wave
50.
Underprocessed hair is usually:
a)
moderately curly at both the scalp and the ends
b)
straight at both the scalp and the ends
c)
straighter at the scalp and curlier at the ends
d)
curlier at the scalp and straighter at the ends
51.
What is the primary benefit of ammonia-free waves?
a)
They do not have a strong odor.
b)
They produce longer-lasting effects.
c)
They produce a stronger curl.
d)
They cannot damage the hair.
52.
The strength of any permanent wave is based on the:
a)
texture of the client's hair
b)
duration of its processing time
c)
strength of its neutralizer
d)
concentration of its reducing agent
53.
Overprocessed hair:
a)
requires further processing
b)
occurs when too many disulfide bonds are broken
c)
usually has a strong curl pattern
d)
is usually straighter at the scalp and curlier at the ends
54.
The first function of thio neutralization is the:
a)
removal of hydrogen
b)
reformation of side bonds
c)
deactivation of any remaining waving lotion
d)
rebuilding of disulfide bonds
55.
When performing a perm, you should always:
a)
firmly blot the hair with a dry towel
b)
rinse the hair with a strong blast of hot water
c)
apply pressure to the rods while rinsing out the solution
d)
smell the hair after the recommended time has elapsed
56.
A preliminary test curl will NOT answer which of these questions?
a)
Is the client satisfied with the shape and hold of the curl?
b)
Is the client allergic to any of the products that will be used?
c)
What kind of results can be expected?
d)
Will the integrity of the hair be compromised?
57.
How long is a typical soft bender rod?
a)
12 inches
b)
6 inches
c)
2 inches
d)
3 inches
58.
Which method of wrapping provides the most control over the hair ends?
a)
double bookend wrap
b)
bookend wrap
c)
double flat wrap
d)
single flat wrap
59.
With the _____, base sections are offset from each other row by row.
a)
bricklay permanent wrap
b)
basic permanent wrap
c)
curvature permanent wrap
d)
weave technique
60.
The _____ uses zigzag partings to divide base areas.
a)
curvature permanent wrap
b)
basic permanent wrap
c)
bricklay permanent wrap
d)
weave technique
61.
The double-rod wrap technique is especially effective on _____ hair.
a)
damaged
b)
porous
c)
long
d)
short
62.
When performing a permanent wave, you should:
a)
always dilute the waving lotion
b)
immediately replace towels that have become wet with solution
c)
be gentle when perming excessively damaged hair
d)
verify that the client previously had a hydroxide relaxer service
63.
When performing a test to determine whether metallic salts are present, the hair will _____ in the solution if metallic salts are present.
a)
disintegrate
b)
darken completely
c)
lighten slightly
d)
lighten rapidly
64.
Thio relaxers use the same ATG that is used in permanent waving, but at a:
a)
higher concentration and a higher pH
b)
lower concentration and a lower pH
c)
lower concentration and a higher pH
d)
higher concentration and a lower pH
65.
Hydroxide relaxers are:
a)
mild alkalis
b)
very strong alkalis
c)
very strong acids
d)
mild acids
66.
Which type of relaxers are commonly called lye relaxers?
a)
magnesium hydroxide
b)
potassium hydroxide
c)
sodium hydroxide
d)
lithium hydroxide
67.
The sulfites used as low-pH hair relaxers are compatible with:
a)
neither thio nor hydroxide relaxers
b)
both thio and hydroxide relaxers
c)
thio relaxers
d)
hydroxide relaxers
68.
It is recommended that you apply base cream when using:
a)
neither base relaxers nor no-base relaxers
b)
both base relaxers and no-base relaxers
c)
base relaxers
d)
no-base relaxers
69.
A super-strength relaxer is recommended if the client has _____ hair.
a)
fine
b)
color-treated
c)
damaged
d)
extremely curly
70.
When performing a chemical hair relaxing service, it is appropriate to:
a)
shampoo the client prior to the application of a hydroxide relaxer
b)
conduct periodic strand tests during the service
c)
chemically relax hair that has been treated with a metallic dye
d)
relax hair that has been highlighted or decolorized with bleach
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