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COS 121 FINAL EXAM Flashcards | StudBud
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COS 121 FINAL EXAM
COS 121 FINAL EXAM
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1
As monomer liquid absorbs a polymer powder, the product formed at the tip of the brush is referred to as a ____________.
cup
dot
pledget
bead
2
the connection between two or more bones of the skeleton is called a ___________.
ligament
tendon
muscle
joint
3
introducing air into the gel as you apply it to the fingernail will_______
reduce the strength of the cured gel
help prevent cracking
help the gel to cure more evenly
give the nail a shinier appearance
4
Ordinarily, replacement of a natural fingernail takes about________.
6 - 12 months
2 - 8 months
6 - 8 months
4 - 6 months
5
the study of the functions and activities performed by the bodys structure is called___________.
biology
physiology
anatomy
physography
6
A pH of 7.0 is ________than the pH of hair.
10 times more acidic
10 times more alkaline
100 times more alkaline
100 times more acidic
7
Tiny pits or severe roughness on the surface of the nail plate are signs of which condition?
onychomycosis
nail psoriasis
paronychia
onychocryptosis
8
What is a clipper cut?
using clippers to cut the hair very short and close to the hairline
it is a long layered haircut created using 180 elevation
when you use your scissors to achieve the cut
when you use a razor to achieve the cut.
9
Name the four basic haircuts.
the tiktok cut, peaky blinders cut, the fury haircut, the jennifer aniston
pixie, bald fade, buzzcut, scissor cut
0 (blunt), 45 (elevated), 90 (layered), 180 (long layered)
both A and C
10
An endothermic chemical reaction is one that absorbs____ from its surroundings.
heat
energy
moisture
light
11
Splinter hemorrhages are caused by physical trauma or injury to the _______________.
free edge
lunula
nail plate
nail bed
12
If a client has ridges running vertically down the length of the natural nail plate, it is recommended that you________.
carefully buff the nail plate
aggresively file the nail plate
thin the nail plate
remove the free edge
13
Sculptured nails are created by combining a chemical known as monomer liquid mixed with _____to form a nail enhancement.
monomer powder
polymer powder
liquid powder
molecular powder
14
Which of these products is used to increase adhesion of UV and LED gels to the natural nail plate?
nail primer
nail adhesive
nail cleanser
bonding gel
15
The natural pH of hair is between__________.
4.0 and 5.0
4.5 and 5.5
7.0 and 8.0
6.0 and 7.0
16
The initiator that is added to polymer powder is called_______.
benzoyl peroxide
catalyst peroxide
sodium hydroxide
hydrogen peroxide
17
The medical term for fungal infections of the feet is ____________.
paronychia
tinea alopecia
tinea pathogenic
tinea pedis
18
Chemicals solutions_____________ the pH of the hair to alkaline state.
neutralize
lower
do not affect
raise
19
a _______ is recommended to refine the surface contour for UV and LED gel nails
medium or fine abrasive
metal file
nonabrasive
harsh or coarse abrasive
20
The_____________ are the muscles that straighten the wrist, hand, and fingers to extend in a straight line.
extensor
supinator
pronator
flexors
21
bacterial infection on the nail plate can be identified in the early stages as a _______spot that becomes darker in it
white-gray
blue-green
orange-red
light-green
22
A ____is a type of wrap in which the hair is wrapped on one rod from midway to scalp ,& another rod is used on the ends
double flat wrap
piggyback perm wrap
bricklay perm wrap
spiral perm wrap
23
A _______is a tough band of fibrous tissue that connects bones or holds an organ in place.
nerve
ligament
muscle
tendon
24
What are three things you can do to ensure good posture and body position while cutting hair?
palm comb, transfer comb, cutting comb
position the client, center your weight, work in front of your section
cut over your fingers, cut below fingers, cut palm to palm
ask about service agreement, ask about warranty, analyze cost of shears
25
The technique of wrapping hair at an angle of 90 degrees or perpendicular to its base section is ____________.
on-base placement
full base placement
off-base placement
half off base placement
26
A reduction reaction involves either the addition of hydrogen or the removal of__________.
carbon
nitrogen
oxygen
peroxide
27
a chemical called ______initiates the polymerization reaction.
an oligmer
a capicitor
a chemoinitiator
a photoinitiator
28
In a _____the hair is wrapped at an angle other than perpendicular to the length of the rod, causes the hair to spiral
bricklay perm wrap
spiral perm wrap
curvature perm wrap
piggyback wrap
29
A normal, healthy nail is firm but flexible and should be____________.
short and opaque
smooth and unspotted
long with a satin finish
uneven with a few ridges
30
For many salon-related applications, gloves made of _________work best
nylon polymer powder
nitrile polymer powder
latex polymer
hard plastic
31
The ________ is similar to the actual technique of bricklaying; base sections are offset from each other row by row
bricklay perm wrap
double flat wrap
sprial perm wrap
piggyback wrap
32
Which types of nail primers are most often used today?
acid- based and nonacid primers
acid-based and dual acid primers
acid-free and nonacid primers
acid-based and acid free primers
33
The part of the muscle that does not move and is attached closest to the skeleton is the __________.
origin
belly
insertion
tendon
34
The inner & larger bone in the forearm that is attached to the wrist & located on the side of the little finger is the_.
radius
ulna
metacarpus
carpus
35
The part of the nail plate that extends over the tip of the finger or toe is the _________.
free edge
matrix
sidewall
bed epithelium
36
The process of rearranging the structure of curly hair into a straighter or smoother form is_______.
neutralizing
chemical smoorhting
chemical hair relaxing
continuation
37
which type of tissues contract and move various parts of the body?
epithelial tissue
nerve tissue
muscle tissue
connective tissue
38
light cured gels are usually packaged in opaque pots or _________.
glass jars
squeeze tubes
plastic bags
clear plastic bottles
39
which of these is a thick-viscosity resin that allows the cosmetologist to build an arch and curve into the fingernail
pigmented gel
soft UV or LED gel
building gel
bonding gel
40
What look does the razor create?
straight lines
softer effect on the ends of hair
blunt lines
straight parting
41
What are the four reference points?
occipital, skull, cranium, mandible
apex, back, front, sides
parietal ridge, occipital bone, apex, four corners
elevation, guideline, finger angle, horizontal
42
Haircuts are made up of:
lines, sections, and angles
top, front, and back
bones, joints, muscles
head, neck, shoulders
43
The partings and bases radiate throughout the panels to follow the curvature of the head in which type of wrap?
spiral perm wrap
curvature perm wrap
double flat wrap
bricklaying perm wrap
44
The foot is made up of ________ bones.
26
18
11
6
45
After a service, what should you do with tiny amounts of used monomer liquid left in the dappen dish?
pour the monomer directly down the drain
wipe the dappen dish with a paper towel, place the monomer in a plastic bag
pour the monomer liquid back into the container
pour the monomer liquid directly into a plastic bag
46
The middle layer of the hair is the ___________.
base
cortex
medulla
cuticle
47
Relaxers are _________ and can literally melt or dissolve hair if used incorrectly.
extremely acidic
mildly alkaline
mildly acidic
extremely alkaline
48
A normal, normal healthy nail surface____________.
is white and opaque
is completely inflexible
has a spotted surface
is shiny and smooth
49
The best terry cloth towels for use in a personal service are________.
white
black
gray
yellow
50
What are important considerations to discuss with a client during a haircutting consultation?
where they live, what they eat, how much they weigh
A and B
their birthday, if their married, if they have kids
desired look, face shape, hair texture, growth patterns,density, elasticity
51
a(n)_____is a short chain of monomer, that is often thick, sticky, & gel-like & is not long enough to be polymer.
resin
methacrylate
oligomer
post-polymer
52
one client is going to receive both a manicure and a pedicure, how many sets of gloves will the cosmetologist need?
two
none
one
three
53
Haircutting shears are mainly used to cut blunt or straight lines.They may ALSO be used for________,_________,__________
steel shears, forged shears and cast shears
sectioning clips, wide-tooth comb and tail comb
slide cutting, point cutting, and other texturizing techniques
razors, clippers and trimmers
54
viscosity is the measurement of the______ of a liquid and how the fluid flows.
thickness
weight
opacity
volume
55
The _________ is the area of the nail with the most strength.
apex
eponychium
stress area
sidewall
56
Which type of relaxer contains only one component and is used exactly as it is packaged with no mixing necessary?
acid-based relaxers
metal hydroxide relaxers
lye-base relaxer
thio relaxers
57
The bead of product for shaping the free edge should have a ____________.
dry consistency
medium-to-dry consistency
medium-to-wet consistency
wet consistency
58
As long as the ________ is nourished and healthy, new nail plate cells will be created.
lateral nail fold
lunula
nail plate
matrix
59
To prevent product contamination, a dappen dish should have__________.
an evaporation lid
a tightly fitting lid
a large opening
a loosely fitting lid
60
The muscles that draw a body part, such as a finger, arm, or toe, inward toward the median axis of the body are
extensors
abductors
adductors
flexors
61
Which type of relaxer requires the application of a protective base cream to the entire scalp prior to the application?
thio relaxer
no-base relaxer
hydroxide relaxer
base relaxer
62
Fine-grit are designed for removing very fine scratches and __________.
aggresive buffing
smoothing and refining
buffing & polishing
shortening and shaping
63
The nail has a water content between ________.
20 and 45 %
15 and 25 %
10-15 %
1 an 5 %
64
The _________is the fold of skin overlapping the side of the nail.
eponychium
sidewall
nail groove
hyponychium
65
The layer of hair that provides the strength and elastic city of human hair is the________.
regular
arrector
medulla
cortex
66
Japanese thermal straightening __________.
is a recommended service for extremely curly hair
is appropriate for all color- treated hair
is sometimes called thermal reconditioning
ususally takes about 30 minutes
67
The portion of the living skin that supports the nail plate as it grows toward the free edge is called the __________.
ligament
nail bed
cuticle
matrix
68
A spa manicure requires extensive knowledge of ___________.
polish application
pampering
chemical-free products
nail and skin care
69
Which of the following is a method of hair straightening that combines the use of thio relaxer with flat ironing?
japanse thermal straightening
thio neutralizing
no-base relaxing straightening
weave technique
70
The term _______refers to a condition caused by injury, heredity, or previous disease of the nail unit.
nail psoriasis
nail pterygium
nail disorder
nail disease
71
The chemical texture service that loosens overly curly hair or changes tightly curly or coiled hair into loose is______.
swelling compound
alternate waving
curl softening
curl re-forming
72
Which of these are usually classified as a lye-based relaxer?
iron hydroxide relaxers
carbonate hydroxide relaxers
sodium hydroxide relaxers
metal hydroxide relaxers
73
Nail fungi are contagious and can be transmitted through ___________instruments.
sterilized
contaminated
disinfected
disposable
74
what is the most common UV bulb on the market?
twelve-watt
nine-watt
seven-watt
four-watt
75
Which bonds are weak, physical side bonds, that are the result of an attraction between negative and positive charges
waving bonds
salt bonds
polypeptide bonds
disulfide bonds
76
The basic units of all living things, from bacteria to plants to animals, including human beings, are____________.
muscles
organs
cells
nerves
77
the _________is the larger of the two bones that form the leg below the knee
tibia
patella
fibula
femur
78
The separation and falling off of a nail plate from the nail bed is__________________.
onychia
pyogenic granuloma
paronychia
onychomadesis
79
Compared to non-acetone removers, acetone-based removers___________.
work slower but are poorer solvents
work faster but are poorer solvents
work faster removing polish and evaporate rapidly
work slower but are better solvents
80
The purpose of massage in manicuring is the inducement of___________.
stimulation
circulation
metabolism
relaxation
81
Hydroxide ions left in the hair after a relaxer can be neutralized using a(n)__________.
acid-balanced shampoo
thio neutralizer
conditioning rinse
acid-free shampoo
82
When applying nonacid and acid free nail primer, the brush should hold enough product to treat how many nails?
six
two or three
one or two
eight
83
The___________ is the whitish, half-moon shape underneath the base of the nail.
free edge
lunula
sidewall
root
84
Thioglycolic acid_______.
has no odor
has a pleasant scent
is dark in color
is a common reducing agent
85
The __________ is the tough exterior layer of hair.
base
cuticle
cortex
medulla
86
Which of the following does not describe a colored coating applied to the natural nail plate?
nail bleach
nail lacquer
nail varnish
nail enamel
87
The tacky surface left on the nail after a UV or LED gel has cured is called the ________layer.
primary
contour
inhibition
adhesion
88
Onychorrhexis is caused by injury to the matrix, harsh cleaning agents, aggressive filing techniques, or
heredity
improper nutrition
allergies
illness
89
The most successful nail polish application is achieved by using four coats including____________.
one base coat, two coats of polish color, and one top coat
two base coats, one coat of polish color, and one top coat
one base coat, one coat of polish color, two top coats
two coats of polish color and two top coats
90
The nail growth rate on the _____ is typically the slowest.
middle finger
index finger
thumb
pinkie finger
91
What is the most common neutralizer?
distilled water
hydrogen peroxide
sodium hydroxide
ammonia
92
Nail products should be removed from their respective containers using a _____ to prevent contamination of the products
finger
cotton swab
single-use plastic or metal spatula
wooden pusher
93
Which of the following products or supplies are kept in a place other than the supply tray?
polishes
creams
electric nail polish dryer
polish removers
94
If the clients hair has been treated with a hydroxide relaxer, it means the hair __________.
is ideal for permanent waving
has strong disulfide bonds
will not hold a curl when applying a thio relaxer or thio permanent
has disulfide bonds that are in the process of reforming
95
Thio relaxers usually have a pH above_______.
9
5
10
6
96
Lithium hydroxide and potassium hydroxide relaxers are often advertised and sold as ____.
no mix-no lye relaxers
no mix-no chemical relaxers
lye relaxers
conditioner relaxers
97
Name atleast 3 texturizing techniques performed with shears.
both A and C
point cutting, notching, effilating
clipper over comb, neck trimming, remove hair completely
razor over comb, razor rotation, razor slicing
98
What is another name for bangs?
curtains
spiky
Fringe
side swept
99
Mild-strength relaxers are formulated for_______.
fine, color treated, or damaged hair
resistant hair with little damage
normal hair with a medium natural curl
very coarse, extremely curly hair
100
The process by which hydroxide relaxers permanently straighten hair is called________.
Permanent waving
disulfide bonding
Lanthionization
normalization