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WorksheetsChapter 20 Perm & Relaxers
Total questions: 25
Worksheet time: 12mins
Name
Class
Date
1.
What is that natural pH of the hair ?
a)
4.5-5.5
b)
6.9-9.0
c)
2.3-8.7
d)
0-14
2.
Which of the following is not a building block of the hair ?
a)
keratin proteins
b)
cuticle
c)
Amino Acids
d)
Side Bonds
3.
What determines the size of the curl ?
a)
rod size
b)
wrapping technique
c)
base shape
d)
base direction
4.
How many building blocks are apart of the hair?
a)
8
b)
3
c)
9
d)
5
5.
Which of the following is not a type of hydroxide relaxer ?
a)
Guanidine Hydroxide
b)
Sodium Hydoxide
c)
Calcium Hydroxide
d)
Lithium Hydroxide
6.
Which hair treatment releases formaldehyde gas ?
a)
Hydroxide Relaxers
b)
Keratin Straightening
c)
Alkaline Perms
d)
No-lye relaxers
7.
The technique of wrapping at a 90 degree angle or straight out from the center is ?
a)
Half-Off Base
b)
On-base
c)
Off-base
d)
Behind Base
8.
most alkaline permanent waves have a pH between
a)
3.6-9.0
b)
4.5-5.5
c)
9.0-9.6
d)
2.0-1.0
9.
the basic components of acid waves are ?
a)
Perm Solution
b)
Activator
c)
Neutralizer
d)
All of the above
10.
lithium hydroxide relaxers and potassium hydroxide relaxers are often advertised and sold as
a)
No-Lye Relaxers
b)
Hydroxide relaxers
c)
Lye Relaxers
d)
Perms
11.
End paper should extend beyond the ends of the hair to prevent _________.
a)
breakage
b)
fishhooks
c)
marked hair
d)
physical change
12.
The_________wrap uses one end paper folded over the hair ends like an envelope
a)
double flat
b)
single flat
c)
bookend
d)
hydroxide relaxer
13.
Once broken the _______chain is able to reshape to the new curl .
a)
disulfide
b)
amino acid
c)
thio
d)
polypeptide
14.
_______waves create a chemical reaction that heats up the solution during processing.
a)
exothermic
b)
endothermic
c)
thio
d)
true acid
15.
the measurement of the thickness or thinness of a liquid that affects how the fluid is known as
a)
viscocity
b)
meniscus
c)
concentration
d)
pH
16.
What do you do to equalize the porosity?
a)
neutralize
b)
pre-conditioning before Keratin
c)
comb hair thoroughly
d)
blunt cut
17.
Before applying a thio relaxer the hair should be?
a)
shampooed
b)
colored
c)
cut gradually
d)
styled
18.
Which portion of the hair is chemical wave solution absorbed faster?
a)
resistant
b)
where the porosity is high
c)
dry hair
d)
brittle hair
19.
Why does extremely curl hair break at the twists?
a)
too many disulfide bonds broken
b)
because it inherits weakness in that section and because of the extra physical force required to straighten it.
c)
curly hair is the weakest type of hair and it takes very little to breake
d)
if it is extremely damaged
20.
How do thio relaxers straighten the hair?
a)
converts disulfide bonds to lanthionine bonds
b)
by breaking the disulfide bonds found within the cortex layer of the hair
c)
by penetrating the cuticle
d)
through reduction reaction
21.
Hair services that cause a chemical change that permanently alters the natural wave pattern of the hair are called:
a)
Haircoloring services
b)
Chemical texture services
c)
Wet setting
Wet setting
d)
Thermal waving
22.
Permanent waving solution breaks the disulfide bonds in the cortex through a chemical reaction called:
a)
Subtraction
b)
Reduction
c)
Addition
d)
Haircoloring
23.
When amino acids are formed together what do they create?
a)
side bonds
b)
polypetide chains
c)
end bonds
d)
peptide bonds
24.
How many atoms does Lanthionine contain and what are the names?
a)
7 & hydrogen
b)
1 & sulfur
c)
3 & oxygen
d)
9 & calcium
25.
Which active ingredient is hydroxide active in & what’s the ph ?
a)
Magnesium relaxers & 6.8
b)
Lye relaxers & 7.5
c)
hydroxide relaxers & over 13
d)
Calcium Relaxers & 6.4
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