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Esthetician > Foundation Chapter 7: Electricity > Flashcards

Foundation Chapter 7: Electricity Flashcards

1
Q

Is the movement of electrons from one atom to another along a conductor

A

Electricity

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2
Q

Is the flow of electricity along a conductor

A

Electric current

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3
Q

Is any material that conducts electricity

A

Conductor

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4
Q

Most___are good conductors

A

Metals

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5
Q

Is the material that does not transmit electricity

A

Non-conductor

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6
Q

A nonconductor is also known as a..

A

Insulator

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7
Q

Is the path that negative and positive electric currents take from the generating source through the conductors and back to the generating source

A

Complete electric circuit

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8
Q

Abbreviation is____; is the constant even flowing current that travels in one direction only in his produced by chemical means

A

Direct current

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9
Q

Is an apparatus that changes direct current to alternating current

A

Inverter

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10
Q

Is a rapid and interrupted current, flowing first in one direction and then in the opposite direction. it is produced by mechanical means in changes direction 60 times per second; goes back and forth. 

A

Alternating current

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11
Q

Is an apparatus that changes alternating current and direct current

A

Rectifier

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12
Q

Is the unit that measures the pressure or force that pushes electric current forward through a conductor

A

Volt (V)

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13
Q

Is a unit that measures the strength of an electric current

A

Ampere (AM-peer)

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14
Q

Is 1/1000 of an ampere

A

Milliampere (mA)

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15
Q

Measures the resistance of an electric current

A

Ohm (O)

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16
Q

Is the unit that measures how much electric energy is being used in one second

A

Watt (W)

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17
Q

Is 1000 Watts

A

Kilowatts (kw)

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18
Q

Prevents excessive current from passing through a circuit it is designed to blow out or melt when too many things are plugged in

A

Fuse

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19
Q

Is a switch that automatically interrupts or shut off an electric current at the first indication of an overload

A

Circuit breaker

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20
Q

Completes an Electric current in carries the current safely away

21
Q

Is designed to protect from electrical shock by interrupting a household circuit when there is a leak in the circuit

A

Ground fault interrupter

22
Q

Certifies the safety of electrical appliances

A

Underwriters laboratories

23
Q

What are 4 safety rules for using an electrical equipment

A
  • Disconnect all appliances were not in use
  • keep our wires plugs and electrical equipment in good repair
  • do not leave your client unintended while the client is connected to an electrical device
  • do not attempt to repair electrical appliances
24
Q

What are 4 things you should do in an electrical emergency?

A
  • Stop using the appliance immediately -unplug it
  • if you drop an electrical appliance in water do not touch it
  • seek medical care after an electrical shock if needed
25
Q

Refers to the poles of an electric current either positive or negative

A

polarity

26
Q

Is usually red and is marked with a P or a + sign

A

Anode (AN-ohd)

27
Q

It is usually black and is marked with an N or a - sign

28
Q

The main modalities used in beauty and wellness services are: 

A

Galvanic current
Microcurrent
Tesla HF

29
Q

Is a constant and direct current having a positive and negative pole, that produces chemical changes when it passes through the tissues influence of the body

A

Galvanic current

30
Q

Infusing water soluble products into the skin with the use of electric current

A

Iontophoresis

31
Q

Infuses an acidic (positive) product into deeper tissues using galvanic current from the positive pole toward the negative pole.

A

Cataphoresis (Kat-uh-foh-REE-sus)

32
Q

Infuses in alkaline (negative) product into the tissues from the negative pole towards the positive pole

A

Anaphoresis 

33
Q

Softens and emulsify grease deposits (oil) and blackheads in the hair follicle; gets rid of impurities

A

Desincrustation

34
Q

Desincrustation is frequently used to treat:

A

Acne
Milia
Comedones

35
Q

Is an extremely low level of electricity that mirrors the body‘s natural electrical impulses

A

Microcurrent

36
Q

Is a thermal or heat-producing current with a high rate of oscillation or vibration that is commonly used for scalp and facial treatments; also known as violet ray

A

Tesla high frequency current

37
Q

Is the name given to all of the forms of energy or radiation that exist

A

Electromagnetic spectrum

38
Q

The forms of energy and the electromagnetic spectrum are:

A 
Radio waves 
microwaves 
light waves
 red light 
visible light 
ultraviolet light 
x-rays 
gamma rays
39
Q

The distance between successive peaks of electromagnetic waves

A

Wavelength

40
Q

Is a part of the electromagnetics spectrum that can be seen

A

Visible light

41
Q

Natural sunlight is made up of three types of light:

A

Visible light 35%
invisible infrared light 60%
invisible ultraviolet light 5%

42
Q

Has the longest wavelength of the UV light spectrum and penetrates directly into the dermis of the skin damaging the collagen and elastin; Often used in tanning beds. 

A

Ultraviolet A (UVA)

43
Q

Often called the burning light because it is mostly associated with sunburn

A

Ultraviolet B (UVB)

44
Q

Excessive use of these ultraviolet lights can cause skin cancer

45
Q

Is blocked by the ozone layer; Is effective at killing bacteria viruses mold and other pathogens

A

Ultraviolet C (UVC)

46
Q

Has long wavelength, penetrates more deeply, has less energy, and produces more heat than visible light.

A

Infrared light

47
Q

Are substances that speed up chemical reaction

A

Catalysts

48
Q

Also known as phototherapy; is the application of light rays to the skin for the treatment of wrinkles, capillaries, pigmentation or for hair removal

A

Light Therapy

49
Q

Makes up 60% of natural sunlight

A

Infrared light

Esthetician (18 decks)

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