Which of the following is TRUE of alternating current?

It is a rapid, interrupted current.

Which of the following is TRUE of electricity?

It does not occupy space or have mass.

In order to practice good electrical safety, ALWAYS ______.

disconnect appliances when they are not in use

Why should beauty professionals study and have a thorough understanding of chemistry?

Every product we use contains some type of chemical.

What did the Safety Data Sheet (SDS) replace?

the Material Safety Data Sheet (MSDS)

Why is copper used in electrical wiring and electrical motosrs?

Because it is a good conductor.

What should you do if you receive a light shock sensation while using an electrical appliance?

Unplug the appliance from the wall.

a substance that dissolves a solute and makes a solution

Which of the following is TRUE regarding ingredients and chemicals

Ingredients are chemicals if made from natural sources or are manufactured

What does a reducing agent do?

adds hydrogen to a chemical compound

Effects of cosmetics and beauty products are based on:

how the body reacts to chemicals

Why should ammonia never be mixed with bleach?

it creates potenially deadly gas

What is true of all liquids?

the are either miscible or immiscible

The power turns off due to using too much amperage, how do you turn it back on?

Flip the main circuit switch on the circuit breaker.

Which of the following is TRUE of a galvanic current?

It has a positive and a negative pole.

Which of the following BEST differentiates between long wavelengths and short wavelengths?

Long wavelengths = low freq. short wavelengths = high freq.

a substance that is dissolved in a solution

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Ch. 6F & 7F

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Questions 75

Answers

1
Everything you can see and touch is matter EXCEPT:
living and once living bodies
liquids and gases
light and electricity
chemicals and powders
2
Which of the following BEST describes a carcinogen?
a substance made of carbon
a substance that causes cancer
a material that is very easy to ignite
a material capable of igniting or burning
3
Which type of light prompts the skin to produce beneficial vitamin D?
ultraviolet light
galvanic light
infrared light
fluorescent light
4
The pH scale is used to measure
levels of carbon dioxide
overexposure and underexposure
levels of oxygen
acidity and alkalinity
5
When mixing chemicals, one should:
use a measuring device
never use secondary containers
avoid rooms or areas well ventilated
add the water to chemical, not the other way around
6
Which of the following is TRUE of ultraviolet light?
It has a long wavelength.
It slows chemical reactions.
It is hot light.
It is invisible.
7
Electricity use impacts ______ of the services that beauty professionals offer their clients.
about half
most
all
a small handful
8
Which of the following is TRUE of alternating current?
It is produced by chemical means.
It is a rapid, interrupted current.
It is most often found in batteries.
It travels in only one direction.
9
Which of the following is TRUE of electricity?
It has mass, but occupies no space.
It occupies space and has mass.
It occupies space, but has no mass.
It does not occupy space or have mass.
10
How does energy move through space?
mechanically
by physical force
electromagnetically
in waves
11
Which of the following type of energy is most likely associated with nuclear power plants?
microwaves
gamma rays
radio waves
x-rays
12
In order to practice good electrical safety, ALWAYS ______.
twist electrical cords to protect against a short circuit
clean electrical outlets while equipment is plugged in
repair electrical appliances when they malfunction
disconnect appliances when they are not in use
13
Which light causes the skin to appear a bluish-green?
fluorescent lighting
natural sunlight
incandescent lighting
ultraviolet lighting
14
Why should beauty professionals study and have a thorough understanding of chemistry?
It is unrelated to the safe operation of a salon, spa, or barbershop.
Clients often quiz beauty professionals on this important knowledge.
chemistry experiments are regular practice
Every product we use contains some type of chemical.
15
Which of the following is an example of a conductor?
tap water
glass
cement
rubber
16
What did the Safety Data Sheet (SDS) replace?
the Environmental Protection Agency (EPA)
the Occupational Safety and Health Administration (OSHA)
the Material Safety Data Sheet (MSDS)
the National Institutes of Health (NIH)
17
Why is copper used in electrical wiring and electrical motosrs?
Because it in inexpensive.
Because it provides safegaurds against electrocution.
Because it is a good conductor.
Because it is a good insulator.
18
What should you do if you receive a light shock sensation while using an electrical appliance?
Attempt to repair the appliance immediately.
Give the appliance a short break before using it again.
Unplug the appliance from the wall.
Continue using the appliance with caution.
19
Safety Data Sheets are designed for:
to make you look important
operation manuals
use in an emergency
use only by managers
20
What is a solvent?
a stable physical mixture of two or more substances
a liquid not capable of being mixed to form a stable solution
a substance that dissolves a solute and makes a solution
a substance dissolved into a solution
21
How many elements are known to science today?
118
108
81
18
22
Which of the following is TRUE regarding ingredients and chemicals
Ingredients are chemicals if made from natural sources or are manufactured
Ingredients are chemicals if they are manufactured in a laboratory
Ingredients are never chemicals
Ingredients are chemicals if they are not made from natural sources
23
Which of the following is NOT good electrical safety advice?
Keep electrical cords off the floor and away from feet.
Inspect all electrical equipment regularly.
Read all electrical safety instructions carefully.
Pull on the cord, not the plug
24
A SDS is formatted into how many categories?
10
12
16
8
25
What does a reducing agent do?
subtracts nitrogen from chemical compound
subtracts hydrogen from a chemical compound
adds hydrogen to a chemical compound
adds oxygen to chemical compound
26
Should an esthetician repair electrical devices by themselves when they malfunction?
Sometimes
Yes
No
Only if they own it
27
Effects of cosmetics and beauty products are based on:
how pleased the professional is with the results
how the body reacts to chemicals
how favorable the new style is compared to old
how friends and family react to new look
28
What is TRUE of a wire that is not large enough to carry the electrical current?
It will save energy.
It will not power the device.
It will overheat.
It will electrocute the user.
29
A mixture separates after 5 minutes, which of the following is most likely TRUE of the components of the mixture?
They are miscible
They are immiscible
They are colutes
They are solvents
30
Constant even flow of electricity that is produced by chemical means for wireless tools.
a nonconductor
a direct current
an indirect current
an insulator
31
Which of the following were the first surfactants?
soaps
cooking oils
motor oils
nail polishes
32
What are the basic units of matter?
protons
neutrons
electrons
atoms
33
Why should ammonia never be mixed with bleach?
dries out skin excessively
it creates potenially deadly gas
discolors more than lightens the hair
they become unpredictable in use
34
Which is used as an applicator directing electric current from a device to the client’s skin?
an ohm
an electrode
a fuse
a modality
35
What is true of all liquids?
they are all miscible
the are either miscible or immiscible
they are all immiscible
they are both miscible and immiscible
36
Which of the following is TRUE of infrared light?
It is a bluish light.
It is visible to the eye.
It produces heat.
It is galvanic
37
The power turns off due to using too much amperage, how do you turn it back on?
Flip the main circuit switch on the circuit breaker.
Replace the conductors in the establishment with inductors.
Lower the amperage of the appliances in use.
Change the current from direct to alternating.
38
Which best describes what happens to ice when it melts?
a chemical reaction
a physical change
a chemical change
an immiscible reaction
39
Light therapy is also known as ______.
radiotherapy
phototherapy
heat therapy
laser therapy
40
A ______ is capable of igniting and burning.
Mutagen
Combustible
Carcinogen
Chemical
41
Which of the following is TRUE of a galvanic current?
It has a positive and a negative pole.
It is a broken, inconsistent current.
It does not produce a chemical change.
It is an indirect current.
42
Which of the following BEST differentiates between long wavelengths and short wavelengths?
Short wavelengths= low freq.; long wavelengths = high freq.
Long wavelengths = low freq. short wavelengths = high freq.
Short wavelengths are visible; long wavelengths are not.
Long wavelengths are visible; short wavelengths are not.
43
Which of the following is an example of an electrical safety device you may encounter when working in a salon or spa?
a circuit breaker
a nonconductor
an ampere
an alternating current
44
Which of the following items is an insulator?
Disinfectant wipes
Heavy rubber tape
A rag
A heavier gauge wire
45
Any substance that occupies space & has weight is:
chemical
a beauty product
potentially dangerous
matter
46
What is an example of a compound molecule?
ozone layer
pure nitrogen
oxygen we breath
table salt
47
Which of the following is the simplest form of chemical matter?
element
chemicals
liquids
gas
48
What is a solute?
a substance that dissolves a solvent and makes a solution
a substance that is dissolved in a solution
a liquid not capable of being mixed to form a stable solution
a stable physical mixture of two or more substances
49
What could be used to combine a mixture that separates?
An emulsifier
A suspension
A solute
A solvent
50
What an example of chemical change?
ice melting become water
water evaporating into water
liquid nail polish hardening
exposed metal rusting
51
The overexposure principle is used to describe how overexposure determines which of the following?
tolerance
toxicity
immunity
safety
52
How many elements occur naturally on earth?
98
89
18
19
53
Which of the following is a good example of an insulator?
steel
tap water
wood
copper
54
In which of the following locations would a GFI MOST likely be required?
an office building
a bedroom
a bathroom
a basement
55
Which of the following is TRUE of fluorescent light?
It is a type of incandescent light.
It is warmer than natural sunlight.
It is a yellow-gold light.
It is cooler than natural sunlight.
56
Which of the following is Tesla high-frequency current used for?
decreasing elimination and absorption
improving germicidal action
slowing blood circulation
decreasing skin metabolism
57
pH is an abbreviation of ______.
potential hydrogen
productively high
pure hydrochloric acid
probable H2O
58
What is TRUE when salt is dissolved in water?
Salt and water are both solvents.
Salt and water are both salutes
Water is solute and salt is solvent.
Salt is solute and water is the solvent.
59
What is TRUE of products that are incompatible?
they can safely mixed with proper precautions
no two should be stored together
they should never be used on clients
they are always considered dangerous
60
The use of electrical currents to treat the skin is called ______.
electrolysis
electrotherapy
electrocution
electrode
61
Which type of light is most likely to cause skin cancer?
Infrared Light
Ultraviolet C Light
Ultraviolet B Light
Visible
62
What does an oxidizing agent do?
releases oxygen
increases oxygen
absorbs oxygen
63
A condition that prohibits certain treatments is called a ______.
cathode
conductor
contraindication
catalyst
64
The third circular electrical connection on a three-prong plug is called a ______.
grounding pin
circuit breaker
fuse
ground fault interrupter
65
You put two drops of lavender extract into water. Which is TRUE of the drops of lavender extract?
They are solutes
They are solutions
They are solvents
They are immiscible
66
An electical device sparks when you plug it it, what do you do?
Wait for five minutes to see if the sparking stops
repair it before trying to plug it in again.
Unplug the device and use another until it can be repaired.
Throw the device away and immediately call 911
67
The electromagnetic spectrum is the name given to ______.
all forms of energy except for gamma rays
all of the forms of energy that exist
all forms of microwaves
all forms of energy except for X-rays
68
Which of the following measures the resistance of electrical current?
a volt
an ohm
a watt
an ampere
69
What does a watt measure?
the resistance of an electric current
pressure/force pushes electric current through a conductor
the strength of an electric current
how much electric energy is being used in one second
70
True or false: Devices using alternating current require a battery.
false
true
71
When immiscible liquids are combined, they form:
suspensions
stable mixtures
miscible liquids
solutions
72
Why is grounding important?
Because it prevents downed wires in storms.
Because it turns direct current into alternating current.
Because it protects against electrical shock.
Because it turns conductors into nonconductors.
73
For which of the following purposes would acids most likely be used?
to raise the pH of products
to soften calloused skin
to swell the hair
to exfoliate the skin
74
For which of the following would microcurrent be MOST useful?
increasing muscle tone
killing bacteria
removing the skin's barrier
slowing healing time
75
Which percentage of natural sunlight is visible, making up the visible spectrum?
70%
10%
35%
95%

Ch. 6F & 7F Flashcards | StudBud