9 Electricity And Light Theorapy 40

Front 1

On average infrared rays are applied:

Back 1

30''from the skin

Front 2

Ultra violet rays are applied:

Back 2

30 to 36 inches from the skin

Front 3

Ultraviolet rays are also known as:

Back 3

Actinic Rays, Cold Rays, & Tanning Rays

Front 4

Ultraviolet rays produce:

Back 4

Germicidal & Chemical Reactions

Front 5

The light that produces heat & is the most penetrating is

Back 5

Red Light

Front 6

The light that produces germicidal & chemical benefits is:

Back 6

Blue Light

Front 7

Invisible light rays make up about this percent of natural sunlight:

Back 7

65

Front 8

Visible light makes up about this percent of natural sunlight:

Back 8

35

Front 9

Treatment by means of light rays is called light:

Back 9

Therapy

Front 10

For a stimulating effect, the high-frequency electrode is:

Back 10

Slightly Lifted From The Skin

Front 11

The Tesla current is commonly called the:

Back 11

Violet Ray

Front 12

The high-frequency current commonly used in the barbershop is the:

Back 12

Tesla Current

Front 13

The electrical modalities available for use in barbering are:

Back 13

Galvanic, Sinusoidal, Tesla High-Frequency, & Faradic Current

Front 14

The negative pole is called the:

Back 14

Cathode

Front 15

The positive pole is called the

Back 15

Anode

Front 16

The negative or positive pole of an electric current is indicated by its

Back 16

Polarity

Front 17

An applicator that directs electric current from the machine to the client's skin is an:

Back 17

electrode

Front 18

The different types of currents used in facial & scalp treatments are called:

Back 18

Modalities

Front 19

All electrical appliances used in the barbershop should be:

Back 19

UL-Certified

Front 20

The acronym for a device that senses imbalances within an electric circuit is:

Back 20

GFCI

Front 21

A switch that automatically shuts off an electric circuit at the first indication of an overload is a:

Back 21

Circuit Breaker

Front 22

A safety device that prevents excessive current from passing through a circuit is a:

Back 22

Fuse

Front 23

The amount of electrical energy being used in one second is measured in:

Back 23

Watts

Front 24

The current for facial & scalp treatments is measured in:

Back 24

Milliamperes

Front 25

An ohm is a unit of:

Back 25

Electrical Resistance

Front 26

An ampere is a unit of:

Back 26

Electrical Strength

Front 27

The unit that measures the pressure of the flow of electrons through a conductor is a:

Back 27

Volt

Front 28

Battery-operated tools such as flashlights & cordless electric clippers use what kind of current:

Back 28

Direct Current

Front 29

Electric clippers & hair dryers are examples of barbering tools that use what kind of current:

Back 29

Alternating Current

Front 30

An apparatus that changes alternating current to direct current is called a:

Back 30

Rectifier

Front 31

An apparatus that changes direct current to alternating current is called a:

Back 31

Converter

Front 32

An electrical current flowing first in one direction & then in the opposite direction is called an

Back 32

Alternating current

Front 33

A constant electrical current flowing only in one direction is called a:

Back 33

Direct current

Front 34

An adjustable resistor that is used for controlling the current in a circuit is called a:

Back 34

rheostat

Front 35

A metal, such as copper wire, serves as a:

Back 35

Conductor

Front 36

Rubber or silk may serve as an:

Back 36

Insulator

Front 37

A substance that resists the passage of an electric current is known as an:

Back 37

Insulator

Front 38

A substance that readily transmits an electric current is known as a:

Back 38

Conductor

Front 39

The flow of electricity along a conductor is known as an:

Back 39

Electrical Current

Front 40

Light, heat, & energy are produced by:

Back 40

Electricity