Foundation Chapter 7: Electricity

Question 1

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

Answer 1

Electricity

Question 2

Is the flow of electricity along a conductor

Answer 2

Electric current

Question 3

Is any material that conducts electricity

Answer 3

Conductor

Question 4

Most___are good conductors

Answer 4

Metals

Question 5

Is the material that does not transmit electricity

Answer 5

Non-conductor

Question 6

A nonconductor is also known as a..

Answer 6

Insulator

Question 7

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

Answer 7

Complete electric circuit

Question 8

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

Answer 8

Direct current

Question 9

Is an apparatus that changes direct current to alternating current

Answer 9

Inverter

Question 10

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. 

Answer 10

Alternating current

Question 11

Is an apparatus that changes alternating current and direct current

Answer 11

Rectifier

Question 12

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

Answer 12

Volt (V)

Question 13

Is a unit that measures the strength of an electric current

Answer 13

Ampere (AM-peer)

Question 14

Is 1/1000 of an ampere

Answer 14

Milliampere (mA)

Question 15

Measures the resistance of an electric current

Answer 15

Ohm (O)

Question 16

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

Answer 16

Watt (W)

Question 17

Is 1000 Watts

Answer 17

Kilowatts (kw)

Question 18

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

Answer 18

Fuse

Question 19

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

Answer 19

Circuit breaker

Question 20

Completes an Electric current in carries the current safely away

Answer 20

Grounding

Question 21

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

Answer 21

Ground fault interrupter

Question 22

Certifies the safety of electrical appliances

Answer 22

Underwriters laboratories

Question 23

What are 4 safety rules for using an electrical equipment

Answer 23

• 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

Question 24

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

Answer 24

• 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

Question 25

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

Answer 25

polarity

Question 26

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

Answer 26

Anode (AN-ohd)

Question 27

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

Answer 27

Cathode

Question 28

The main modalities used in beauty and wellness services are: 

Answer 28

Galvanic current Microcurrent Tesla HF

Question 29

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

Answer 29

Galvanic current

Question 30

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

Answer 30

Iontophoresis

Question 31

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

Answer 31

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

Question 32

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

Answer 32

Anaphoresis 

Question 33

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

Answer 33

Desincrustation

Question 34

Desincrustation is frequently used to treat:

Answer 34

Acne Milia Comedones

Question 35

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

Answer 35

Microcurrent

Question 36

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

Answer 36

Tesla high frequency current

Question 37

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

Answer 37

Electromagnetic spectrum

Question 38

The forms of energy and the electromagnetic spectrum are:

Answer 38

``` Radio waves microwaves light waves red light visible light ultraviolet light x-rays gamma rays ```

Question 39

The distance between successive peaks of electromagnetic waves

Answer 39

Wavelength

Question 40

Is a part of the electromagnetics spectrum that can be seen

Answer 40

Visible light

Question 41

Natural sunlight is made up of three types of light:

Answer 41

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

Question 42

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. 

Answer 42

Ultraviolet A (UVA)

Question 43

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

Answer 43

Ultraviolet B (UVB)

Question 44

Excessive use of these ultraviolet lights can cause skin cancer

Answer 44

UVA | UVB

Question 45

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

Answer 45

Ultraviolet C (UVC)

Question 46

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

Answer 46

Infrared light

Question 47

Are substances that speed up chemical reaction

Answer 47

Catalysts

Question 48

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

Answer 48

Light Therapy

Question 49

Makes up 60% of natural sunlight

Answer 49

Infrared light