Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Theory Class > Chapter 13 > Flashcards

Chapter 13 Flashcards

1
Q

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

A

Chemical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

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

A

Electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What materials are good conductors of electricity?

A

Copper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is another name for materials that are nonconductors?

A

Insulators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

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

A

Insulators

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

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

A

Complete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are two types of electric current?

A

Direct and Alternating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which phrase best describes direct current?

A

Produced by chemical means

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

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

A

Alternating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A

Volt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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

A

120

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What unit measures the strength of an electric current?

A

Ampere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The current for facial and scalp treatments is measured in _____

A

Milliamperes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What unit measures the resistance of an electric current?

A

Ohm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

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

A

Watt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

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

A

Fuse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

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

A

Three Prong Plug

18
Q

All the electrical appliances you use should be ____ certified

A

UL

19
Q

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

A

Electrotherapy

20
Q

Currents used in electrical facial and scalp are called _____

A

Modalities

21
Q

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

A

Electrode

22
Q

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

A

Polarity

23
Q

A positive electrode is called a(n) _____

A

Anode

24
Q

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

A

Iontophoresis

25
Q

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

A

Positive toward the negative pole

26
Q

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

A

Desincrustation

27
Q

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

A

Microcurrent

28
Q

What is another term for Tesla high frequency current?

A

Violet Ray

29
Q

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

A

Tesla High Frequency

30
Q

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

A

Wavelength

31
Q

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

A

Ultra Violet Light

32
Q

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

A

Vitamin D

33
Q

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 ______

A

UV Radiation

34
Q

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

A

UVC

35
Q

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

A

Infrared Light

36
Q

What term refers to substances that speed up chemical reactions?

A

Catalysts

37
Q

Light therapy is known as _____

A

Phototherapy

38
Q

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

A

Photothernolysis

39
Q

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

A

Chromophore

40
Q

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

A

Red Light LED

Theory Class (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions