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Esthetics, Salon Fundamentals, Exam Prep > Chapter 6: Electricity And Electrical Equipment > Flashcards

Chapter 6: Electricity And Electrical Equipment Flashcards

1
Q

Light, heat, chemical, and magnetic changes are all produced by

A

Electricity

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2
Q

The flow of electricity moving along a conductor is called a(n)

A

Electric current

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3
Q

The electric current in which electrons move at an even rate and flow only in one direction is called a

A

Direct current

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4
Q

A rapid oscillating cycle that alternates back and forth allowing electrons to flow first in one direction and then in the other is a(n)

A

Alternating current

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5
Q

When a generator alternates current, the number of cycles per second is called the

A

Hertz rating

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6
Q

Material that easily transports electricity is a(n)

A

Conductor

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7
Q

Materials that do not allow a current to pass through them are called

A

Insulators

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8
Q 
Which of the following is NOT a unit of measurement for electricity? 
A) amp
B) volt
C) watt
D) conductor
A

Conductor

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9
Q

How many milliamperes equal one ampere?

A

1,000

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10
Q

A volt measures the amount of electric

A

Pressure

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11
Q

A unit of electrical resistance is called a(n)

A

Ohm

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12
Q 
When electrical appliances are not in use, all of the following precautions should be taken EXCEPT: 
A) unplug the appliance
B) turn the appliance off
C) store appliance in a safe place
D) submerge the appliance in water
A

D) submerge the appliance in water

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13
Q

A path in which the electricity leaves the source and travels to an appliance to power it is a(n)

A

Closed path

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14
Q

What is the technical term for any appliance that requires electricity in order to work?

A

Load

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15
Q

More current flowing through a line than the line is designed to carry is called a(n)

A

Overload

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16
Q

In the event of a fire that results from electrical overload you should NOT:
A) turn off the circuit
B) extinguish with water
C) call the fire department if the fire is beyond your control
D) extinguish with a fire extinguisher according to instructions

A

B) extinguish with water

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17
Q 
Which of the following can occur any time a foreign conductor comes in contact with a wire carrying current to a load? 
A) short circuit
B) iontophoresis
C) general shock
D) electrical shock
A

Short circuit

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18
Q 
When installing a fuse do all of the following EXCEPT: 
A) wear rubber gloves
B) turn off main power
C) turn on all appliances
D) unplug equipment from power source
A

C) turn on all appliances

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19
Q

Two metal pieces that make contact with each other to allow the flow of electric current are found on a(n)

A

Circuit breaker

20
Q

A safety device designed to protect the user during the operation of appliances is a

A

Grounding wire

21
Q

What type of shock passes through a small part of the body and can cause burns and muscle contractions?

A

Local shock

22
Q

The type of shock causing the heart to stop, breathing to cease, and muscles to convulse is referred to as a(n)

A

General shock

23
Q 
All of the following are protocols of fire prevention EXCEPT: 
A) post local fire codes
B) inspect fire safety devices
C) use frayed and exposed wires
D) store flammable materials properly
A

C) use frayed and exposed wires

24
Q

The direct current used in electrotherapy treatments is:

A

Galvanic

25
Q

Which type of phoresis is often used in desincrustation?

A

Anaphoresis

26
Q 
Which treatment listed below uses cataphoresis to build up or nourish the deeper layers of the epidermis? 
A) phoresis
B) Anaphoresis 
C) Iontophoresis
D) desincrustation
A

C) Iontophoresis

27
Q

Having opposite poles in an electrical current is referred to as

A

Polarity

28
Q

A negatively charged electrode is called a(n)

A

Cathode

29
Q

Which of the following terms represents a positively charged electrode?

A

Anode

30
Q 
When the electrode held by the Esthetician is in the positive mode, the reaction on the skin will be: 
A) acidic
B) Faradic
C) alkaline
D) Sinusoidal
A

Acidic

31
Q

Tesla, a High Frequency Current, is also known as the:

A

Violet Ray

32
Q 
All of the following statements are benefits of Direct High Frequency EXCEPT: 
A) stimulates surface tissue
B) stimulates sebum production
C) heals existing papules and pustules
D) increases circulation and blood flow
A

B) stimulates sebum production

33
Q

A narrow space between the electrode and the skin used to provide germicidal healing and drying effects during either Direct or Indirect High Frequency treatments is a:

A

Spark gap

34
Q

Faradic Current is used chiefly to cause:

A

Muscle contractions

35
Q

An alternating current that penetrates more deeply and can provide greater stimulation to the treated area than a Faradic Current is called:

A

Sinusoidal

36
Q

Pregnancy, epilepsy, diabetes, or other conditions that suggest it is in advisable to perform a procedure on a client is a(n):

A

Contraindication

37
Q

A combination light that can be broken into its individual wavelengths by a prism is referred to as:

A

White light

38
Q

Bacteria that cause skin infections can be killed by:

A

Ultraviolet light

39
Q

Which type of ultraviolet Ray is most frequently used in tanning booths?

A

UVA rays

40
Q

The transfer of heat via direct contact is:

A

Conduction

41
Q

What effect does a rotating brush produce?

A

Mechanical

42
Q

Electric current that travels through a water-based solution and onto the body has a(n):

A

Electrochemical effect

43
Q

Which type of electrical equipment utilizes violet rays or black light to analyze skin type and condition?

A

Wood’s Lamp

44
Q

A device that sprays a lukewarm, diffused vapor mist onto the surface of the skin is called a(n):

A

Facial steamer

45
Q 
Which of the following is NOT a contraindication for using a steam machine? 
A) rosacea
B) thick skin
C) sensitive skin
D) couperose skin
A

B) thick skin

Esthetics, Salon Fundamentals, Exam Prep (14 decks)

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