Chapter 13 - Basics of Electricity Flashcards Preview

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Flashcards in Chapter 13 - Basics of Electricity Deck (55):
1

Electric wires are usually covered with a rubber substance that is used as a(n):
A. Insulator
B. Conductor
C. Circuit
D. Fuse

A. Insulator

2

A ________ is a device that changes direct current to alternating current.
A. Rectifier
B. Circuit breaker
C. Converter
D. Fuse box

C. Converter

3

The term ___________ refers to a rapid and interrupted current that flows in one direction then in the opposite direction.
A. Rectifier current
B. Alternating current
C. Active current
D. Direct current

B. Alternating current

4

The unit that measures the pressure or force that pushes the flow of electrons through a conductor is a(n):
A. Amp
B. Watt
C. Ohm
D. Volt

D. Volt

5

What unit measures the resistance of an electric current?
A. Ohm
B. Watt
C. Amp
D. Volt

A. Ohm

6

The device that prevents excessive current from passing through a circuit is called a(n):
A. Fuse
B. Battery
C. Kilowatt
D. Ampere

A. Fuse

7

A switch that automatically interrupts or shuts off an electric current at the first indication of an overload is a(n):
A. Voltage regulator
B. Ampere current
C. Circuit breaker
D. Battery charger

C. Circuit breaker

8

The negative electrode of an electro therapy device is called a(n):
A. Anode
B. Electrode
C. Carbode
D. Cathode

D. Cathode

9

A process that forces an alkaline product into the tissues from the negative toward the positive pole is called:
A. Cataphoresis
B. Anaphoresis
C. Iontophoresis
D. Micro current

B. Anaphoresis

10

Grounding completes a(n) __________ and carries the current safely away.
A. Electric charge
B. Electric current
C. Complete electric circuit
D. Micro current

B. Electric current

11

All the electrical appliances you use should:
A. Be battery operated
B. Be UL certified
C. Have a 2 prong plug
D. Be used near water

B. Be UL certified

12

When using _______, the active electrode is the electrode used on the area to be treated.
A. Alternating current
B. Direct current
C. Electric current
D. Galvanic current

D. Galvanic current

13

Microcurrent can be used to ________ and restore elasticity.
A. Decrease metabolism
B. Increase muscle tone
C. Reduce lymph circulation
D. Prevent acidic reactions

B. Increase muscle tone

14

Only licensed professionals can use:
A. Hair dryers
B. Steamers
C. Light therapy equipment
D. Vaporizers

C. Light therapy equipment

15

The flow of electricity along a conductor is called a(n):
A. Electric charge
B. Electric current
C. Energy swirl
D. Spark

B. Electric current

16

A wavelength is the distance between successive peaks of _________ waves.
A. Electric
B. Electromagnetic
C. Galvanic
D. Infrared

B. Electromagnetic

17

Invisible light is the light at either end of the ________ that is invisible to the naked eye.
A. Electromagnetic spectrum
B. Spectrum of radiance
C. Spectrum of radiation
D. Visible spectrum of light

D. Visible spectrum of light

18

UVC light:
A. Is the light often used in tanning beds
B. Has the longest wave of UV light spectrum
C. Is often called the burning light
D. Is blocked by the ozone layer

D. Is blocked by the ozone layer

19

Catalysts are substances that speed up:
A. Chemical reactions
B. Acidic reactions
C. Alkaline reactions
D. Photoxic reactions

A. Chemical reactions

20

All laser works by a process known as selective:
A. Emission
B. Electrolysis
C. Photothermolysis
D. Photosynthesis

D. Photosynthesis

21

Constant and direct current, having a positive and negative pole, that produces chemical changes when it passes through the tissues and fluids of the body is known as _________ current.
A. Galvanic
B. Alternating
C. Electric
D. Conductive

A. Galvanic

22

An extremely low level of electricity that mirrors the body's natural electrical impulses is:
A. Mini current
B. Micro current
C. Milliampere
D. Internal current

B. Micro current

23

A medical device that uses multiple colors and wavelengths of focused light to treat such conditions as excessive hair and spider veins is a(n):
A. Laser
B. Infrared
C. Intense pulse light
D. Light-emitting diode

C. Intense pulse light

24

The thermal or heat-producing current with a high rate of oscillation one vibration commonly used for scalp and facial treatments is called:
A. Tesla light-emitting current
B. Ultraviolet light
C. Intense pulse light
D. Tesla high-frequency current

D. Tesla high-frequency current

25

A device that works by releasing light onto the skin to stimulate specific responses at precise depths of the skin tissue is a(n):
A. Laser
B. Infrared light device
C. Intense pulse light
D. Light-emitting diode

D. Light-emitting diode

26

Normal electric wall sockets that power a hair dryer or curling iron are 220 volts.
T or F

False

27

The heating element in a hair dryer heats up because it is not large enough to carry the electric current.
T or F

True

28

Ultraviolet A light has the longest wavelength of the UV light spectrum.
T or F

True

29

There are two types of electric current: direct and converted.
T or F

False

30

Distilled water is a particularly good conductor.
T or F

False

31

UV prompts the skin to produce vitamin D, a fat soluble vitamin that promotes mineralization of the bones.
T or F

True

32

The path of an electric current from the generating source back to the original source is a(n):
A. Incomplete circuit
B. Complete circuit
C. Insulating circuit
D. Direct circuit

B. Complete circuit

33

Cataphoresis forces acidic substances into deeper tissues using galvanic current from the:
A. Positive toward the negative pole
B. Inactive toward the electric pole
C. Negative toward the positive pole
D. Negative toward the ohm pole

A. Positive toward the negative pole

34

The positive electrode is called a(n):
A. Anode
B. Active electrode
C. Cathode
D. Modality

A. Anode

35

The type of current that should not be used on clients who are pregnant, have high blood pressure, or have a pacemaker is:
A. White light
B. Tesla high-frequency
C. Alternating current
D. Battery current

B. Tesla high-frequency

36

Lightning bolts travel through the air at speeds of up yo how many miles per hour?
A. 90,000
B. 60,000
C. 40,000
D. 25,000

B. 60,000

37

Rays with long wavelengths that penetrate more deeply and produce more heat than visible light are:
A. X-Rays
B. Ultraviolet rays
C. Radio waves
D. Infrared rays

D. Infrared rays

38

The electrical appliance connection that supplies current to the circuit is the:
A. Prong connection
B. Indirect connection
C. Live connection
D. Ground connection

A. Prong connection

39

Thermal or heat-producing current with a high rate of oscillation or vibration is:
A. Violet Ray
B. Acidic current
C. Direct current
D. Electrode current

A. Violet Ray

40

An applicator that directs electric current from a machine to the clients skin is a(n):
A. Electrode
B. Modality
C. Converter
D. Rectifier

A. Electrode

41

Infusing water-soluble products into skin with the use of electric current is known as:
A. Deincrustation
B. Iontophoresis
C. Anaphoresis
D. Cataphoresis

B. Iontophoresis

42

Electricity is a form of energy that, when in motion, exhibits:
A. Thermal effects
B. Magnetic effects
C. Chemical effects
D. All of the above

D. All of the above

43

The negative or positive pole of an electric current is referred to as the:
A. Electrode
B. Current
C. Modality
D. Polarity

D. Polarity

44

The process used to treat acne, milia, soften and emulsify deposits in the hair follicles is:
A. Cataphoresis
B. Iontophoresis
C. Desincrustation
D. Diaphoresis

C. Desincrustation

45

The special device that prevents excessive current from passing through a circuit is a(n):
A. Amp
B. Ampere
C. Fuse
D. Insulator

C. Fuse

46

Lasers work by a process that turns the light from the laser into heat called:
A. Catalyst
B. Phototherapy
C. Photothermolysis
D. Radiography

C. Photothermolysis

47

A substance that is particularly good conductor of electricity is:
A. Rubber
B. Silk
C. Glass
D. Copper

D. Copper

48

Electronic facial treatments are commonly referred to as:
A. Electrotherapy
B. Electronics
C. Receptacles
D. Electromagnetics

A. Electrotherapy

49

The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor is a(n):
A. Amp
B. Electron
C. Rectifier
D. Volt

D. Volt

50

The current for facial and scalp treatments is measured in:
A. Watts
B. Kilowatts
C. Voltages
D. Milliamperes

D. Milliamperes

51

A measurement of how much electricity is being used in 1 second is a(n):
A. Watt
B. Ohm
C. Kilowatt
D. Volt

A. Watt

52

Unit that measures the resistance of an electric current
A. Ohm
B. Modalities
C. Chromophore
D. Ampere

A. Ohm

53

Color component within the skin such as blood or melanin
A. Ohm
B. Modalities
C. Chromophore
D. Ampere

C. Chromophore

54

Currents used in electrical facial and scalp
A. Ohm
B. Modalities
C. Chromophore
D. Ampere

B. Modalities

55

Unit that measures the strength of an electric current
A. Ohm
B. Modalities
C. Chromophore
D. Ampere

D. Ampere