Chapter 13

Question 1

When electricity is in motion it exhibits magnetic, _____, or thermal effects

Answer 1

Chemical

Question 2

What is the movement of electrons from one atom to another along a conductor?

Answer 2

Electricity

Question 3

What materials are good conductors of electricity?

Answer 3

Copper

Question 4

What is another name for materials that are nonconductors?

Answer 4

Insulators

Question 5

Rubber,silk wood, and glass are common examples of _____

Answer 5

Insulators

Question 6

The path of an electric current from the generating source through the conductors and back to the original source is a(n) _____ electric circuit

Answer 6

Complete

Question 7

What are two types of electric current?

Answer 7

Direct and Alternating

Question 8

Which phrase best describes direct current?

Answer 8

Produced by chemical means

Question 9

Rapid and interrupted current that flows in one direction and then in the opposite direction is known as _____ current

Answer 9

Alternating

Question 10

The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor is a(n) ______

Answer 10

Volt

Question 11

Normal electric wall sockets that power a hair dryer or curling iron are ______ volts

Answer 11

120

Question 12

What unit measures the strength of an electric current?

Answer 12

Ampere

Question 13

The current for facial and scalp treatments is measured in _____

Answer 13

Milliamperes

Question 14

What unit measures the resistance of an electric current?

Answer 14

Ohm

Question 15

A measurement of how much electricity is being used in one second is a(n) _____

Answer 15

Watt

Question 16

A special device that prevents excessive current from passing through a circuit is a(n) _____

Answer 16

Fuse

Question 17

When working with electricity, appliances with a _____ offer the most protection for you and your clients

Answer 17

Three Prong Plug

Question 18

All the electrical appliances you use should be ____ certified

Answer 18

UL

Question 19

The use of electrical currents to treat the skin is commonly referred to as _____

Answer 19

Electrotherapy

Question 20

Currents used in electrical facial and scalp are called _____

Answer 20

Modalities

Question 21

An applicator that directs electric current from a machine to the clients skin is a(n) ____

Answer 21

Electrode

Question 22

The negative or positive pole of an electric current is referred to as the _____

Answer 22

Polarity

Question 23

A positive electrode is called a(n) _____

Answer 23

Anode

Question 24

What is the process of infusing water soluble products into the skin using electric current?

Answer 24

Iontophoresis

Question 25

Cataphoresis forces acidic substances into deeper tissues using galvanic current from the ____

Answer 25

Positive toward the negative pole

Question 26

What term refers to a form of anaphoresis used to treat acne, milia, and comedies?

Answer 26

Desincrustation

Question 27

What term refers to an extremely low level of electricity that mirrors the body’s natural electrical impulses?

Answer 27

Microcurrent

Question 28

What is another term for Tesla high frequency current?

Answer 28

Violet Ray

Question 29

What type of current should be avoided for clients who are pregnant, have high blood pressure, or have a pacemaker?

Answer 29

Tesla High Frequency

Question 30

What term refers to the distance between two successive peaks of electromagnetic waves?

Answer 30

Wavelength

Question 31

What is the shortest and least penetrating light of the electromagnetic waves?

Answer 31

Ultra Violet Light

Question 32

UV light prompts the skin to produce ______, a fat soluble vitamin that is good for bone growth and health

Answer 32

Vitamin D

Question 33

It is estimated that one in five Americans will develop skin cancer and that 90 percent of those cancers will be the result of exposure to ______

Answer 33

UV Radiation

Question 34

What is a type of cold light that is blocked by the ozone layer?

Answer 34

UVC

Question 35

What part of the electromagnetic spectrum that rays that penetrate more deeply and produce more heat than visible light?

Answer 35

Infrared Light

Question 36

What term refers to substances that speed up chemical reactions?

Answer 36

Catalysts

Question 37

Light therapy is known as _____

Answer 37

Phototherapy

Question 38

All lasers work by selective _____, a process that turns the light from the laser device into heat

Answer 38

Photothernolysis

Question 39

What general term refers to a color component within the skin such as blood or melanin?

Answer 39

Chromophore

Question 40

Which LED therapy is associated with increasing circulation and improving collagen and elastin production in the skin?

Answer 40

Red Light LED