the electromagnetic spectrum is the name given to ____?

all of the forms of energy that exists

for which of the following would microcurrent be MOST useful?

reducing redness and inflammation

What did the safety data sheet (SDS) replace?

the material safety data sheet (MSDS)

which of the following BEST differenciates between long wavelengths and short wavelengths?

long wavelengths have low frequency: short wavelengths have high frequency

in order to practice good electrical safety, ALWAYS ____>

disconnect appliances when they are not in use

which of the following BEST differenciates a positive electrode from a negative electrode?

the positive one is called an anode; the negative one is called a cathode

which of the following types of effects does electricity exhibit?

magnetic, thermal, and chemical

why should amonia never be mixed with bleach?

it creates a potentially deadly gas

which of the following is TRUE of the disposal of many of the chemiclas used in spas, slaons, and barbershops?

most states and countries do not have regulations in place

which of the follwing is TRUE of electricity and the beauty and wellness industry?

advanced electrical machines require an understanding of electrical theroy

what accompanies the rapid oxidation of a substance during combustion?

the production of heat and light

what does ionization create?

two new ions with opposite electrical charges

A substance that is dissolved in a solution

Which of the following is true of all liquids

They are either miscible or immiscible

which of the following is TRUE of the poles of an electric current?

they are either positive or negative

Which of the following is true when salt is dissolved into water?

Salt is the solute and water is the solve

when mixing chemicals, one shoul ____?

use a measuring device, such as a measuring cup or spoon

which of the following is NOT good electrical safety advice?

pull on the cord, not the plug, when disconnecting an electrical appliance

which of the following BEST differenciates between direct current and alternating current?

direct current flows in one direction; alternating flows back and forth

which of the following is TRUE of galvanic current?

it has a positive and negative pole

Why should the beauty professionals study and have the thorough understanding of chemistry

Because every product used in beauty contain some type of chemical

Guidelines for properly storing chemicals include all EXCEPT which of the following?

never dispose of chemicals in their original containers

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Fundamentals: Lp#6&7 Chaps. 6&7 - Chem. & Elec.

84 termsStudBud Administration20 plays

Chemistry and electricity

Flashcards84 cardsFPractice quizPHost liveL

Questions 84

Answers

1
the electromagnetic spectrum is the name given to ____?
all forms of energy except for x-rays
all of the forms of energy that exists
all forms of energy except for gamme arys
all forms of microwaves
2
which percentage of natural sunlight is visibel, making up the visible spectrum of light?
95%
10%
35%
70%
3
anything you can touch and everything you can see is matter except?
Chemicals and powders
Living in one living bodies
Liquids and gases
Light and electricity
4
for which of the following would microcurrent be MOST useful?
slowing the healing time for acne lesions
removing natural protective barrier for skin
reducing redness and inflammation
decreasing muscle tone
5
For which of the following purposes would acids most likely be used?
raise the pH of products
to exfoliate the skin
to soften callused skin
to swell the hair
6
Which of the following is true of solutions
They are immiscible
They are usually a solid color
They are stable mixtures
They are surfactants
7
What did the safety data sheet (SDS) replace?
the material safety data sheet (MSDS)
the national institutes of health (NIH)
the occupational safety and health administration (OSHA)
the environmental protection agency (EPA)
8
which of the following BEST differenciates between long wavelengths and short wavelengths?
long wavelengths are visible: short wavelengths are not
long wavelengths have low frequency: short wavelengths have high frequency
short wavelengths are visible: long wavelengths are not
short wavelengths have low frequency: long wavelengths have high frequency
9
a condition that prohibits certain treatments is called a _____.
contraindiction
catalyst
contraindiction
cathode
10
in order to practice good electrical safety, ALWAYS ____>
attempt to clean around electrical outlets when equipment is plugged in
attempt to repair electrical appliances when they malfunction
twist cords to protect against a short circut
disconnect appliances when they are not in use
11
which of the following BEST differenciates a positive electrode from a negative electrode?
the positive electrode has no electric charge; the negative one does
the positive one is called a cathode; the negative one is called an anode
the positive electrode has an electric charge; the negative one doesn't
the positive one is called an anode; the negative one is called a cathode
12
what is a characteristic of suspensions?
stable mixture
small particles
slightly miscible
usually clear
13
which of the following types of effects does electricity exhibit?
magnetic and thermal
magnetic and chemical
magnetic
magnetic, thermal, and chemical
14
electricty use impacts _____ of the services that the beauty professionals offer their clients.
about half
most
all
a small handful
15
in which of the following locations would GFI most likely be required?
a basment
a bedroom
an office cuilding
a bathroom
16
whihc of the following is a good example of an insulator?
tap water
wood
steel
copper
17
Which of the following were the first surfactants
Motor oil
Soaps
Nail polishes
Cooking oil
18
why should amonia never be mixed with bleach?
it "discolors" mopre than lightens hair
it dries out the skin
it creates a potentially deadly gas
they become unpredictable in their use
19
which of the following is TRUE of the disposal of many of the chemiclas used in spas, slaons, and barbershops?
there are no regulations in place anywhere across the United States
there are strict and universal regulations in place across the U.S
most states and countries have regulations in place
most states and countries do not have regulations in place
20
what is the range of the pH scale?
0 to 10
0 to 14
1 to 14
1 to 10
21
which of the follwing is TRUE of electricity and the beauty and wellness industry?
most beauty professionals will not interact directly with electricity
electricty use in beauty industry is limited to clippers and hair dryers
most of the equipment that beauty professionals deal with is very dangerous
advanced electrical machines require an understanding of electrical theroy
22
which of the following reactions can be expected when using cataphoresis?
an increase in bloody supply
a closing of pores
a softening of tissues
a stimulation of nerves
23
When immiscible liquids are combine, they form______.
Stable mixtures
Suspensions
Solutions
Miscible liquids
24
Which of the following is an example of a compound molecule
Pure nitrogen
Common table salt
The oxygen we breathe
The ozone layer
25
what accompanies the rapid oxidation of a substance during combustion?
the production of heat and light
neutralization
an ionization of the substance
an endothermic reaction
26
what is it called when a chemical changes its state but not its compostion?
physical change
hydrogen
homeostasis
chemcial change
27
what does ionization create?
three new ions with the same electrical charge
two new ions with opposite electrical charges
two new ions with the same electrical charge
two new ions without an electrical charge
28
the third circular electrical connections on a three-prong plug is called a ____.
fuse
ground fault interrupter
grounding pin
circut breaker
29
What is a solute?
A substance that is dissolved in a solution
Liquid not capable of being mixed to form a stable solution
Stable physical mixture of two or more substances
Substance that dissolves in a solvent and makes a solution
30
how does energy move through space?
electromagnetically
in waves
by physical force
mechanically
31
which is an example of an electrical safety device that you may encounter when working in a salon, spa, or barebrshop?
an alternating current
a circut breaker
an ampere
a conductor
32
Which of the following is true of all liquids
They are miscible
They are both miscible and immiscible
They are either miscible or immiscible
They are immiscible
33
what is an example of an oil-in-water emulsion?
thick cream
moisturizing lotion
cleansing milk
cooling gel
34
which of the following is TRUE of infared light?
it is a bluish light
it is galvanic
it produces heat
it is visible to the eye
35
which of the following is TRUE of the poles of an electric current?
they are either direct or alternating
they are either left or right
they are either conductive or nonconductive
they are either positive or negative
36
Which of the following is true when salt is dissolved into water?
Water is a solute and salt is the solvent
Salt and water are both solvents
Salt is the solute and water is the solve
water and salt are both solutes
37
which of the following is tesla high-frequency current used for?
slowing blood circulation
decreasing skin metabolism
decreasing elimination and absorption
improving germicidal action
38
when mixing chemicals, one shoul ____?
add the water to the chemical, not the other way around
never use secondary containers, such as spray bottles
use a measuring device, such as a measuring cup or spoon
avoid rooms or areas that are well ventilated
39
which of the following is NOT good electrical safety advice?
read all electrical safety instructions carefully
pull on the cord, not the plug, when disconnecting an electrical appliance
keep electrical cords off the floor and away from everyone's feet
inspect all electrical equipment regularly
40
In the uniform order of the SDS, which of the following comes immeidately after the first category of "identification"?
disposal considerations
toxicology information
Hazard identification
first aid measures
41
which of the following BEST differenciates between direct current and alternating current?
direct current flows back and forth; alternating flows in one direction
direct current is not truly an electrical current; alternating is
direct current is the true form of electrical current; alternating is not
direct current flows in one direction; alternating flows back and forth
42
which of the following is TRUE of galvanic current?
it does not produce a chemical change
it has a positive and negative pole
it is an indirect current
it is a broke, inconsistent current
43
Why should the beauty professionals study and have the thorough understanding of chemistry
Because it is unrelated to the safe operation of a salon
Because every product used in beauty contain some type of chemical
Because clients often quiz beauty professionals on this important knowledge
Because chemistry experiments are often regular practice at salons
44
An SDS is formatted into ____ categories.
16
12
10
8
45
pH is an abbreviation of_____
Probably H2O
Productivity high
Potential hydrogen
Pure hydrochloric acid
46
Guidelines for properly storing chemicals include all EXCEPT which of the following?
never allow chemicals to sit out
always lock up chemicals when not in use
never haphazardly combine two chemicals
never dispose of chemicals in their original containers
47
All acids owe their chemical reactivity to ______?
the hydrogen ion
oxygen
alkilis
overexposure
48
What term refers to the simplest form of chemical matter?
molecule
element
cell
atom
49
a pH of 8 is ____ times more alkaline than a pH of 7.
50
10
100
2
50
_______are the basic unit of matter
Protons
Electrons
Atoms
elements
51
a safety device designed to prevent excessive currents passing through a circuit by blowing it out
a conductor
an empere
a circuit breaker
a fuse
52
All of the elements known to science today how many occur naturally on earth?
89
18
98
19
53
which of the following is TRUE of products that are incompatible?
they should never be used on clients
no two should be stored next to each other
they are considered to be dangerous
they can bre safely mixed with proper precautions
54
Which of the following measures the resistance of electrical current?
a watt
an ampere
a volt
an ohm
55
which of the following is an example of a good conductor?
rubber
tap water
glass
cement
56
the use of electrical currents to treat the skin is called ____.
electrolysis
electrotherapy
electrocution
electrode
57
why is copper used in electrical wiring and electrical motors?
because it provides safegaurds against electrocution
because it is inexpensive
because it is a good conductor
because it is a good insulator
58
what is the most abundant element found on earth?
nitogen
oxygen
hydrogen
carbon
59
light therapy is also known as ____.
phototherapy
radiotherapy
heat therapy
laser therapy
60
which of the following is true of flourescent light?
it is cooler than natural sunlight
it is a yellow-gold light
it is warmer than natural sunlight
it is a type of incadescent light
61
SDS are designed for:
everyday use
use only by new employees
use only by managers
used in an emergency
62
which of the following types of energy is most likely associated with nuclear power plants?
radio waves
microwaves
gamme rays
x-rays
63
which type of light prompts the skin to produce beneficial vitamin D?
ultraviolet light
infared light
fluorscent light
galvanic light
64
what does an oxidizing agent do?
nulifies oxygen
increases oxygen
absorbs oxygen
releases oxygen
65
which of the following reactions can be expected when using anaphoresis?
a hardening of tissues
a stimulation of nerves
a decrease in blood supply
a closing of pores
66
what is the most commonly used cosmetic ingredient?
talc
mineral oil
essential oil
water
67
how are elements identified?
by size
by color
by graphic symbols
by letter symbols
68
which of the following is the BEST describes a carcinogen?
a substance that causes cancer
a material capable of igniting or burning
a material that is very easy to ignite
a substance made of carbon
69
what does a reducing agent do?
subtracts nitrogen from a chemical compound
subtracts hydrogen from a chemical compound
adds oxygen to a chemical compound
adds hydrogen to a chemical compound
70
any substance that occupies space and has weight is?
A chemical
A beauty product
Matter
Potentially dangerous
71
Acid-alkili neutralization reactions occur when an acid is mixed with an alkali, balancing pH, forming water and?
nitrogen
a salt
sulfur
carbon dioxide
72
what does a watt measure?
how much electric energy is being used in one second
the resistance of an electrical current
the strength of an electric current
the pressure/force that pushes electric current through a conductor
73
Which of the following is an example of chemical change
Water evaporating into the air
Liquid nail polish hardening
Ice melting should become water
Exposed metal rusting
74
a _____ is capable of igniting and burning?
carcinogen
combustible
mutagen
chemcial
75
which should you do if you reciev a light sock sensation while using an electrical appliance?
continue using the appliance with caution
give the appliance a short break before using it again
attempt to repair the appliance immediately
unplug the appliance from the wall
76
What is a solvent?
A liquid not capable of being mixed to form solution
A substance dissolved into a solution
a stable physical mixture of two or more substances
A substance that dissolves a solute in a solution
77
why is grounding important?
it turns direct current into alternating curent
it protects agains electrical shock
it turns cpnductors into nonconductors
it prevents downed wire
78
if you were to leave the freezer open all night, all of the ice will melt. This is a result of ____
an endothermic reaction
ionization
an exothermic reaction
neutralization
79
what is true of a wire that is not large enough to carry the electrical current passing through it?
it will overheat
it will not power the device
it will save energy
it will electrocute th euser
80
how long should a properly stored emulsion remain stable?
five years
one year
six months
three years
81
How many accepted pictograms are included in all SDS?
6
3
16
9
82
How many elements are known to science today
118
108
18
81
83
which is used as an applicator for directing electric current from an electrotherapy device to the client's skin?
an ohm
a modality
a fuse
an electrode
84
The effects of cosmetics and beauty products are based on which of the following
How the body reacts to chemicals
how pleased the beauty professional is with the results
How friends and family members react to a new look
How favorable will the new styles compared to the old

Fundamentals: Lp#6&7 Chaps. 6&7 - Chem. & Elec. Flashcards | StudBud