Electricity

Which light source is close to being adopted as the mainstream light source? Select one: a. LED b. ultraviolet c. fluorescent d. incandescent

LED

How many milliamperes equal one ampere? Select one: a. 10 b. 100 c. 1000 d. 10000

1000

How many watts equal one kilowatt? Select one: a. 10 b. 100 c. 1000 d. 10000

1000

The minimum distance an infrared lamp must be placed from the client's face during a facial is: Select one: a. 10" b. 18" c. 24" d. 30"

30"

The two forms of electric current are: Select one: a. DC and AC b. AD and BC c. AB and CD d. hot and cold

DC and AC

What are the initials used to help you remember fire extinguisher use? Select one: a. APSS b. PASS c. SSPA d. SAPS

PASS

Collagen and elastin fibers in the skin can be destroyed by what type of UV light? Select one: a. UVA b. UVB c. UVC d. UVD

UVA

Which of the following safety guidelines is important to keep in mind when using electrical equipment? Select one: a. avoid contact with water and metal surfaces b. keep electrical equipment connected at all times c. attempt to repair electrical equipment yourself d. leave clients unattended while connected to electrical equipment

avoid contact with water and metal surfaces

Two common sources of electric current are generators and: Select one: a. watts b. loads c. batteries d. frequencies

batteries

All of the following factors contribute to UV exposure EXCEPT? Select one: a. altitude b. latitude c. body mass d. time of day

body mass

Cords on appliances should be kept straight and free of knots, kinks and tangles to prevent: Select one: a. volts b. loads c. breaks d. currents

breaks

How does a fuse act as an electricity safety measure? Select one: a. closes the circuit when it becomes open b. keeps electric current directed the right way c. pushes more current through than the line is designed to carry d. breaks the circuit, cutting the flow of electricity when an overload occurs

breaks the circuit, cutting the flow of electricity when an overload occurs

Why is it dangerous to use any electrical cord with a break in it? Select one: a. it will explode b. may break a circuit c. can cause electrical shock d. could cut off power to the barbershop

can cause electrical shock

Electrons travel on a closed path, called a: Select one: a. circuit b. conductor c. insulator d. frequency

circuit

Which of the following items is a reusable safety device that breaks the flow of current when an overload occurs? Select one: a. fuse b. insulator c. grounding wire d. circuit breaker

circuit breaker

To avoid the possibility of overloads and short circuits, safety devices are installed in appliances and buildings. Two of these devices are fuses and: Select one: a. insulators b. open circuits c. circuit breakers d. grounding wires

circuit breakers

In the event of being trapped in asmoke-filled room or building, do all of the following actions EXCEPT: Select one: a. stay low to the ground b. check all doors for heat c. open the windows for air d. close the windows to trap the air

close the windows to trap the air

When a facial steamer is on and steam begins to flow, you have an example of a(n): Select one: a. open circuit b. series wiring c. closed circuit d. parallel wiring

closed circuit

White light is referred to as: Select one: a. single light b. bright light c. infrared light d. combination light

combination light

Electric current moves along a path called a(n): Select one: a. volt b. watt c. conductor d. insulator

conductor

Materials that best transport electricity are called: Select one: a. watts b. amps c. insulators d. conductors

conductors

Since silver and copper transmit electricity, they are: Select one: a. electrons b. insulators c. conductors d. closed circuits

conductors

Galvanic, faradic and pulsed DC fall under what type of current? Select one: a. direct b. alternating c. sinusoidal d. high frequency

direct

A current in which electrons move at an even rate and flow in only one direction is called: Select one: a. overload b. short circuit c. direct current d. alternating current

direct current

A waveform is the visual representation of the output current that varies in time, strength and: Select one: a. length b. polarity c. direction d. variation

direction

Which of the following protocols helps prevent fires? Select one: a. open windows for air b. smother the fire with a rug c. put water on an electrical fire d. dispose of frayed orexposed wires

dispose of frayed orexposed wire

Light, heat, chemical and magnetic changes are all produced by: Select one: a. force b. electricity c. conductors d. a short circuit

electricity

The effect that is created when an electric current travels through a solid electrode and liquid conductor in order to produce stimulating or calming effects is called: Select one: a. heating b. magnetic c. electrochemical d. mechanical effect

electrochemical

Most of the electricity you use daily consists of a flow of tiny, negatively charged particles called: Select one: a. atoms b. protons c. neutrons d. electrons

electrons

The use of electricity for therapeutic purposes is called: Select one: a. light therapy b. electrotherapy c. chemical therapy d. mechanical therapy

electrotherapy

During infrared facial treatments, always cover and protect the client's: Select one: a. eyes b. skin c. hair d. face

eyes

If an electrical fire occurs in the salon/spa, use water to extinguish it. Select one: True False

false

Rubbing the palms of your hands together to warm them is an example of a mechanical effect. Select one: True False

false

Depending on its design, which type of light can create blue or cool tones? Select one: a. sunlight b. invisible c. fluorescent d. incandescent

fluorescent

What type of outlet is recommended for installation in any area where water and electricity could come into contact? Select one: a. CFGI b. FGCI c. GFCI d. IFGC

gfci

Which of the following materials doesn't allow current to pass through it? Select one: a. metal b. water c. carbon d. glass

glass

A salon/spa owner wants to balance the tones of light inside. Which type of light would likely be incorporated? Select one: a. infrared b. ultraviolet c. fluorescent d. incandescent

incandescent

Which of the following descriptions is a benefit of using infrared light during a facial? Select one: a. kills bacteria b. produces vitamin D c. increases circulation d. helps control dandruff

increases circulation

Plastic, rubber or paper are examples of what type of materials? Select one: a. watt materials b. prism materials c. insulating materials d. conducting materials

insulating materials

Materials that do not allow a current to pass through them are called: Select one: a. insulators b. conductors c. open circuits d. closed circuits

insulators

Which of the following statements is true about fluorescent lighting? Select one: a. is provided by an incandescent light bulb b. creates more heat than incandescent lighting c. is an economical and long-lasting light source d. can be used in tanning booths to produce a tan

is an economical and long-lasting light source

Any electrical appliance activated by the flow of electric current such as a facial steamer is known as a(n): Select one: a. load b. electron c. insulator d. conductor

load

Almost everything in your salon/spa that assists you with your daily tasks could be considered a: Select one: a. device b. machine c. modality d. conductor

machine

Which of the following descriptions identifies a volt? Select one: a. number of electrons flowing on a line b. measure of how difficult it is to push electrons through a resistor c. measure of how difficult it is to push electrons through a conductor d. measure of how hard the electrons are being forced or pushed by a source

measure of how hard the electrons are being forced or pushed by a source

Volts and frequency needed and watts the appliance consumes are indicated on the: Select one: a. conductor b. nameplate c. circuit breaker d. grounding wire

nameplate

Polarized outlets feature one vertical slot for the hot wire and a second, wider vertical slot for the: Select one: a. live wire b. circuit wire c. ground wire d. neutral wire

neutral wire

A unit of electric resistance is called a(n): Select one: a. volt b. ohm c. watt d. insulator

ohm

When too many appliances are put on one circuit and are operated at the same time, more current flows than the line is designed to carry. This is known as: Select one: a. overload b. waveform c. open circuit d. direct current

overload

Jessica, a salon/spa owner wants her estheticians to each be able to run their electrical equipment independently or have several loads running at one time. Which type of wiring should be installed in her salon/spa? Select one: a. open b. series c. parallel d. polarized

parallel

Which of the following is NOT a way for heat to be transferred from one object to another? Select one: a. phoresis b. radiation c. convection d. conduction

phoresis

The negative poles and positive poles at the end of a circuit are known as: Select one: a. fuse b. polarity c. inverter d. waveform

polarity

What sides of the poles is Caitlyn holding if two magnets are attracted to each other? Select one: a. positive and negative b. negative and negative c. positive and positive d. neutral and neutral

positive and negative

All of the following statements are true about 240-volt current EXCEPT: Select one: a. higher cost to install b. powers large motors c. powers small appliances d. requires much thicker cord

powers small appliances

A volt is a unit of electric: Select one: a. strength b. pressure c. frequency d. resistance

pressure

How should cords be disconnected safely from an outlet? Select one: a. pull on plug b. pull on cord c. pull on prong d. pull on outlet

pull on plug

Which of the following steps would be performed first when using a fire extinguisher? Select one: a. pull pin on the handle b. squeeze handle to begin flow of chemical c. spray chemical discharge back and forth over fire d. aim hose at base of fire from at least six feet away

pull pin on the handle

The length of time that current is flowing is known as: Select one: a. pulse b. timing c. frequency d. waveform

pulse

Which of the following actions should NOT be taken if a fire results from an overload of an electric circuit? Select one: a. put water on it b. turn off the circuit c. use a fire extinguisher d. smother it with a rug or heavy towel

put water on it

The thermal breakdown of the skin caused by intense heat is called: Select one: a. melting b. psoriasis c. pyrolysis d. vaporizing

pyrolysis

Which of the following changes alternating current to direct current? Select one: a. ohm b. rectifier c. insulator d. conductor

recrifier

The wavelengths that produce the longest waves of the visible spectrum are: Select one: a. red b. blue c. green d. yellow

red

Incandescent light normally produces what color tones in the objects it lights? Select one: a. blue tones b. green tones c. redder tones d. yellow tones

redder tones

What device is used to adjust the flow of electrical current? Select one: a. inverter b. rheostat c. rectifier d. convertor

rheostat

All of the following terms are types of waveforms EXCEPT: Select one: a. round b. triangular c. saw-toothed d. rectangular

saw-toothed

Dropping an electrical appliance into water, making it a foreign conductor, causes a(n): Select one: a. overload b. open circuit c. short circuit d. closed circuit

short circuit

What can occur anytime a foreign conductor comes in contact with a wire carrying current to an appliance? Select one: a. blackout b. open circuit c. short circuit d. closed circuit

short circuit

Which of the following is a type of alternating current? Select one: a. faradic b. galvanic c. sinusoidal d. pulsed DC

sinusoidal

A mechanical effect can be achieved by all of the following devices EXCEPT: Select one: a. steamer b. brush machine c. microdermabrasion d. vacuum spray machine

steamer

An amp is a unit of electric: Select one: a. strength b. pressure c. frequency d. resistance

strength

An Underwriters Laboratory (UL) designation indicates: Select one: a. it is free from all mechanical defects b. the manufacturer's warranty is doubled c. it operates with less power than specified on the label d. the appliance has been certified to operate safely under the conditions specified

the appliance has been certified to operate safely under the conditions specified

Fires in electrical circuits can occur if: Select one: a. the circuit is open b. there is a closed path, called a circuit c. the circuit breaker is manually turned to the off position d. too many appliances use the same wall socket and overload the circuit

too many appliances use the same wall socket and overload the circuit

Esthetics electrotherapy devices improve the skin's appearance by stimulation, product application enhancement and deep cleansing. Select one: True False

true

Walking across a carpet in a cold, dry environment, then touching a metal object and getting a small shock is known as static electricity. Select one: True False

true

Which type of light can kill bacteria that cause skin infections? Select one: a. infrared light b. ultraviolet light c. fluorescent light d. incandescent light

ultraviolet light

The portion of the electromagnetic spectrum humans can see is known as: Select one: a. white light b. visible light c. invisible light d. combination light

visible light

Small doses of ultraviolet light may help the body produce: Select one: a. vitamin A b. vitamin B c. vitamin C d. vitamin D

vitamin D

Which of the following materials is considered a conductor? Select one: a. silk b. rubber c. distilled water d. water-containing ions

water-containing ions

A measure of how much electrical energy is being used is known as a: Select one: a. volt b. watt c. load d. conductor

watt

Which of the following statements is true of visible light? Select one: a. is also called X-ray b. waves are used for radio broadcasts c. is the largest portion of the electromagnetic spectrum d. waves hit an object and are either absorbed or reflected

waves hit an object and are either absorbed or reflected

Which type of light can be broken into its individual wavelengths by a prism? Select one: a. white b. infrared c. ultraviolet d. intense-pulsed light

white