Foundations Ch 7 Quiz: Electricity

Which of the following is TRUE of electricity and the beauty and wellness industry?

Most beauty professionals will not interact directly with electricity.
Most of the equipment that beauty professionals deal with is very dangerous.
Electricity use in the beauty industry is limited to clippers and hair dryers.
Advanced electrical machines require an understanding of electrical theory.

Electricity use impacts ______ of the services that beauty professionals offer their clients.

all
most
about half
a small handful

Which of the following types of effects does electricity exhibit?

magnetic
magnetic and thermal
magnetic and chemical
magnetic, thermal, and chemical

Which of the following is TRUE of electricity?

It occupies space, but has no mass.
It has mass, but occupies no space.
It occupies space and has mass.
It does not occupy space or have mass.

Why is copper used in electrical wiring and electrical motors?

Because it is inexpensive.
Because it is a good conductor.
Because it is a good insulator.
Because it provides safeguards against electrocution.

Which of the following is an example of a conductor?

tap water
rubber
glass
cement

Which of the following is a good example of an insulator?

copper
tap water
wood
steel

Which of the following BEST differentiates between direct current and alternating current?

Direct current flows in one direction, whereas alternating current flows back and forth.
Direct current flows back and forth, whereas alternating current flows in one direction.
Direct current is not truly an electrical current, whereas alternating current is.
Direct current is the true form of electrical current, whereas alternating current is not.

Which of the following is TRUE of alternating current?

It is produced by chemical means.
It travels in only one direction.
It is most often found in batteries.
It is a rapid, interrupted current.

Which of the following measures the resistance of electrical current?

an ohm
an ampere
a volt
a watt

What does a watt measure?

how much electric energy is being used in one second
the pressure or force that pushes electric current through a conductor
the strength of an electric current
the resistance of an electric current

What is TRUE of a wire that is not large enough to carry the electrical current passing through it?

It will not power the device.
It will overheat.
It will electrocute the user.
It will save energy.

Which of the following is an example of an electrical safety device that you may encounter when working in
a salon, spa, or barbershop?

an ampere
a circuit breaker
an alternating current
a conductor

Which of the following is an electrical safety device that is designed to prevent excessive current from
passing through a circuit by blowing out or melting when a wire becomes too hot from overloading the circuit
with too much current?

a fuse
a circuit breaker
an ampere
a nonconductor

Why is grounding important?

Because it protects against electrical shock.
Because it prevents downed wires in storms.
Because it turns conductors into nonconductors.
Because it turns direct current into alternating current.

The third circular electrical connection on a three-prong plug is called a ______.

ground fault interrupter
grounding pin
circuit breaker
fuse

In which of the following locations would a GFI MOST likely be required?

a bathroom
a bedroom
an office building
a basement

Which of the following is NOT good electrical safety advice?

Read all electrical safety instructions carefully.
Inspect all electrical equipment regularly.
Pull on the cord, not the plug, when disconnecting an electrical appliance.
Keep electrical cords off the floor and away from everyone’s feet.

In order to practice good electrical safety, ALWAYS ______.

attempt to repair electrical appliances when they malfunction
twist electrical cords to protect against a short circuit
attempt to clean around electrical outlets while equipment is plugged in
disconnect appliances when they are not in use

Which of the following should you do if you receive a light shock sensation while using an electrical
appliance?

Continue using the appliance with caution.
Attempt to repair the appliance immediately.
Unplug the appliance from the wall.
Give the appliance a short break before using it again.

The use of electrical currents to treat the skin is called ______.

electrotherapy
electrocution
electrolysis
electrode

Which of the following is used as an applicator for directing electric current from an electrotherapy device to
the client’s skin?

an electrode
an ohm
a modality
a fuse

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

They are either positive or negative.
They are either left or right.
They are either direct or alternating.
They are either conductive or nonconductive.

Which of the following BEST differentiates a positive electrode from a negative electrode?

The positive electrode is called a cathode; the negative electrode is called an anode.
The positive electrode is called an anode; the negative electrode is called a cathode.
The positive electrode has an electric charge; the negative electrode does not.
The positive electrode has no electric charge; the negative electrode does.

Which of the following is TRUE of a galvanic current?

It is a broken, inconsistent current.
It is an indirect current.
It has a positive and a negative pole.
It does not produce a chemical change.

Which of the following reactions can be expected when using cataphoresis?

a closing of pores
a stimulation of nerves
an increase in blood supply
a softening of tissues

Which of the following reactions can be expected when using anaphoresis?

a closing of pores
a stimulation of nerves
a decrease in blood supply
a hardening of tissues

For which of the following would microcurrent be MOST useful?

removing the natural protective barrier of the skin
slowing healing time for acne lesions
decreasing muscle tone
reducing redness and inflammation

Which of the following is Tesla high-frequency current used for?

slowing blood circulation
decreasing elimination and absorption
decreasing skin metabolism
improving germicidal action

A condition that prohibits certain treatments is called a ______.

cathode
catalyst
contraindication
conductor

The electromagnetic spectrum is the name given to ______.

all forms of microwaves
all forms of energy except for gamma rays
all forms of energy except for X-rays
all of the forms of energy that exist

Which of the following types of energy is most likely associated with nuclear power plants?

radio waves
gamma rays
X-rays
microwaves

Which of the following is TRUE of fluorescent light?

It is warmer than natural sunlight.
It is cooler than natural sunlight.
It is a yellow-gold light.
It is a type of incandescent light.

How does energy move through space?

in waves
electromagnetically
by physical force
mechanically

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

Long wavelengths have low frequency; short wavelengths have high frequency.
Short wavelengths have low frequency; long wavelengths have high frequency.
Long wavelengths are visible; short wavelengths are not.
Short wavelengths are visible; long wavelengths are not.

Which percentage of natural sunlight is visible, making up the visible spectrum of light?

10%
35%
70%
95%

Which of the following is TRUE of infrared light?

It is visible to the eye.
It is galvanic.
It is a bluish light.
It produces heat.

Which of the following is TRUE of ultraviolet light?

It has a long wavelength.
It is invisible.
It slows chemical reactions.
It is hot light.

Which type of light prompts the skin to produce beneficial vitamin D?

ultraviolet light
infrared light
fluorescent light
galvanic light

Light therapy is also known as ______.

heat therapy
phototherapy
radiotherapy
laser therapy

Cornelius is opening a beauty business. He will need to have a thorough understanding of electricity for all
EXCEPT which of the following reasons?

Cornelius will rely on a variety of electrical devices.
Cornelius will rely on lighting and air temperature controls for the comfort of his clients.
Cornelius will need to be able to quickly repair electrical devices when they malfunction.
Cornelius will need to be able to properly care for a variety of electrical devices.

Alycia notices a prior employee tried to repair a crack in the power cord on an electrical device with an
insulator. Which of the following may have been used as an insulator?

disinfecting wipes
heavy rubber tape
a rag
a heavier gauge wire

Julie relies on a constant, even flow of electricity that is produced by chemical means for the wireless tools
she uses in her daily work. What is Julie looking for?

a direct current
an indirect current
an insulator
a nonconductor

Jane noticed that as she was working on a client throughout the morning, the electrical extension cord from
her electrical device to the outlet was getting hotter and hotter. Knowing this, which of the following is
MOST likely true?

The electrical device has fewer volts than the outlet it is plugged into.
The electrical device has more volts than the outlet it is plugged into.
The extension cord’s gauge is too small to support the amperage rating of the electrical device.
The extension cord’s gauge is too large to support the amperage rating of the electrical device.

Jeremy is having a hard time getting his electrical equipment to work properly for his clients. The technician
who came in to look at the situation advised Jeremy that the current is not able to flow through the wires
efficiently. Why is this MOST likely the case?

The force (volts) is stronger than the resistance (ohms).
The resistance (ohms) is stronger than the force (volts).
The amperage of the appliances is rated higher than the cords being used.
The amperage of the appliances is rated lower than the cords being used.

Just as Sandra turned on her electrical device, all of the appliances in the business shut off and the lights
went dark. It turned out that Sandra’s device, added to all of the other appliances that were in use, was asking
for too much amperage. Which of the following did Sandra MOST likely have to do to quickly get the power
in the establishment back on?

Flip the main circuit switch on the circuit breaker.
Lower the amperage of the appliances in use.
Change the current in the establishment from direct to alternating.
Replace the conductors in the establishment with inductors.

Alyssa noticed that the electrical device she uses on the job has a three-pronged plug that was to be inserted
into a three-pronged outlet in the wall. Since there were only two-pronged outlets in the room, however,
Alyssa purchased an adapter to connect her three-pronged device into a two-pronged outlet. Why was this a
bad idea?

Adapting a three-pronged plug to fit into a two-pronged outlet changes the appliance’s amperage.
Adapting a three-pronged plug to fit into a two-pronged outlet switches direct current into alternating current.
Adapting a three-pronged plug to fit into a two-pronged outlet eliminates the intended grounding.
Adapting a three-pronged plug to fit into a two-pronged outlet makes the conductor an inductor.

Klaus has noticed that, throughout the establishment, there are ground fault interrupters (GFIs) in the walls
beside all sinks and in the bathrooms and the employee kitchen. Why are these types of receptacles
strategically placed in these locations?

GFIs are required in places where shock hazard are likely (such as near any running or sitting water).
GFIs are required wherever direct current is transferred to alternate current (such as in bathrooms).
GFIs are most useful in salons, spas, and barbershops because appliances that heat up can only operate when a GFI is in place.
GFIs are most useful in salons, spas, and barbershops because when multiple appliances are in use, GFIs must be in place.

Jamil plugged an electrical device into the outlet on the wall and it immediately started to spark. Jamil, very
startled, wasn’t sure what to do. What should Jamil do?

Wait for five minutes to see if the sparking stops, then continue using the device.
Unplug the device and attempt to repair it before trying to plug it in again.
Unplug the device immediately and use another until that one can be repaired.
Throw the device away and immediately call the fire department.

While working on a customer, Cindy accidentally dropped her electrical device into a sink full of water.
Which of the following should Cindy do?

Cindy should quickly grab the device out of the sink full of water.
Cindy should quickly unplug the device from the outlet.
Cindy should run over to the circuit breaker panel and shut down all power to the establishment.
Cindy should get everyone out of the establishment and call the fire department.

Many of Wilson’s clients complain to him that their skin always appears very bluish-green when they are
sitting in his chair. Which of the following would most likely be the cause of this?

the incandescent lighting just above Wilson’s station
the fluorescent lighting just above Wilson’s station
the ultraviolet lighting just above Wilson’s station
the natural sunlight that comes in from the window beside Wilson’s station

Owner Samuel’s client, Janine, has just learned she has skin cancer. While Janine’s doctor told her that the
cancer is most likely treatable, she is still concerned about further exposure and damage. She asks Samuel
which type of light caused her skin cancer. Which of the following types of light most likely did so?

ultraviolet B light
ultraviolet C light
infrared light
visible light

Maria knows that light therapy is most likely the best solution for her client, James. Assuming Maria is
correct, which of the following is LEAST likely to be true of James?

James wants to get rid of the wrinkles on his forehead.
James wants to remove the hair on his back.
James wants to eliminate some of his age spots.
James wants to lighten his hair color.

You are an instructor of beauty and wellness courses at a local vocational school. Ursula, a student of yours,
asks you why it is so important that beauty professionals have a thorough understanding of electricity. What
do you tell her?

Without an understanding of basic electricity, she will not be able to use professional electrical appliances effectively and safely.
As she progresses toward a successful career, her clients will become more and more expectant of her knowledge in electricity.
In order to someday make it as her own salon, spa, or barbershop owner, economic viability will be reliant on her skills as an electrician.
Electricity is the backbone of the beauty and wellness industry and if she lacks a solid understanding of it she cannot be a part of that industry.

Manny is excited to use his new series of hand-held appliances on his clients this week. His boss has told
Manny to come in to work prepared to get used to the new equipment. All Manny knows is that the
appliances are expensive and top of the line and that they run on alternating current. Manny has already
cleaned off his station, made sure that he has ample space to work, properly disposed of his old appliances,
and picked up plenty of long-lasting batteries for the new appliances. What mistakes, if any, has Manny
made?

Manny has not made any mistakes.
Manny should not have disposed of his old equipment.
Manny should not have purchased any batteries.
Manny should not have cleaned out and made extra space at his station.

As a business owner, Brenda knows the importance of electrical safety. Each evening, she is the last person
to leave work. Before she leaves, she makes sure that all electrical appliances are shut off and unplugged.
Any that have been left plugged in, she carefully unplugs by pulling on the plug, not the cord. Every morning,
Brenda arrives early to work. Before any other employees arrive, she first plugs all of the appliances back in,
then carefully cleans them. Finally, she makes sure that all cords to the appliances are tucked away and not
left in the middle of the room for customers and employees to trip over. What, if anything, has Brenda done
wrong?

Brenda has done nothing wrong.
Brenda should unplug the appliances by the cord, not the plug.
Brenda should not clean the appliances while they are plugged in.
Brenda should leave all appliance cords out in the middle of the floor so that people can see them.

You are the manager of a beauty business. You are startled during a busy afternoon when one of your best
beauty pros, Wanda, starts screaming that her electrical device, which she is still holding onto, is sending
powerful shocks up her hand and arm. What should you do?

Yell to Wanda to keep hold of the device and grab an insulator with her other hand.
Yell to Wanda to keep hold of the device and grab a conductor with her other hand.
Yell to Wanda to drop the device immediately.
Run over to Wanda and grab the device out of her hand.

Your client, Rachel, sat down with you to discuss her client intake form before she receives Tesla
high-frequency current, which is commonly used in electrical facial and scalp treatments. What might Rachel
have told you that would lead you to rule out Tesla high-frequency current as a treatment option for her?

Rachel told you that she has bad acne.
Rachel told you that her condition is specific to her scalp.
Rachel told you that she is pregnant.
Rachel told you that she feels she needs to increase both elimination and absorption.

You are a worker at a high-end establishment that uses cutting-edge technology and techniques in treating
clientele. Your newest client, Gregory, has just told you that his doctor is recommending UV light therapy as
part of his overall path toward better health. Which of the following is MOST likely the reason why
Gregory’s doctor has recommended this particular type of light exposure as part of his therapy?

Gregory is very low on vitamin D.
Gregory is at high risk for developing skin cancer.
Gregory has skin cancer.
Gregory is developing premature wrinkles.

Skin Specialist English – SCE202

Foundations Ch 7 Quiz: Electricity

Foundations Ch 7 Quiz: Electricity

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