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Chapter 13 > Chapter 13 Test Questions > Flashcards

Chapter 13 Test Questions Flashcards

1
Q

In galvanic current, the electrode used on the area to be treated is the:

A

active electrode

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2
Q

In LED therapy, _____ light reduces hyperpigmentation.

A

green

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3
Q

The unit that measures the resistance of an electric current is a(n):

A

ohm

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4
Q

A(n) _____ measures the amount of electric energy used in 1 second.

A

watt

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5
Q

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

A

volt

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6
Q

Microcurrent is NOT used to:

A

increase elimination and absorption

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7
Q

A substance that does not easily transmit electricity is called a(n):

A

insulator

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8
Q

The third prong found on the plugs of some appliances is called the:

A

grounding pin

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9
Q

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

A

modalities

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10
Q

Within the visible spectrum of light, the longest wavelength is:

A

red

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11
Q

Rapid, interrupted electric current that flows in one direction then in the opposite direction is called _____ current.

A

alternating

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12
Q

Constant, even-flowing electrical current that travels in one direction only is called:

A

direct current

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13
Q

A(n) _____ is the path of negative and positive electric currents moving from the generating source through the conductors and back to the generating source.

A

complete electric circuit

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14
Q

A(n) _____ is a substance that speeds up a chemical reaction.

A

catalyst

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15
Q

An applicator used to direct electric current from an electrotherapy device to a client’s skin is a(n):

A

electrode

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16
Q

Which process is used to soften and emulsify oil deposits in hair follicles and treat acne conditions?

A

desincrustation

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17
Q

All the electrical appliances you use should be __ certified.

A

UL

18
Q

Intense pulse light is NOT used to treat:

A

clogged pores

19
Q

In facial treatments, the process of infusing water-soluble products into the skin with electric current is called:

A

iontophoresis

20
Q

Which of the following is NOT an insulator?

A

copper

21
Q

Ultraviolet (UV) rays applied to the skin during a treatment prompt the skin to produce:

A

vitamin D

22
Q

A switch that automatically interrupts or shuts off an electric circuit at the first indication of an overload is a(n):

A

circuit breaker

23
Q

UV light causes chemical reactions to happen more quickly than visible light, and:

A

kills some germs

24
Q

The flow of electricity along a conductor is called:

A

an electric current

25
Q

A _____ is the distance between successive peaks of an electromagnetic wave.

A

wavelength

26
Q

Infrared lamps are NOT used:

A

to produce alkaline reactions

27
Q

Which term refers to the negative or positive pole of an electric current?

A

polarity

28
Q

Conventional hood hair dryers:

A

can be used to shorten chemical processing time

29
Q

The application of light rays to the skin for the treatment of wrinkles or pigmentation is called light therapy or:

A

phototherapy

30
Q

A(n) _____ is an apparatus that changes alternating current (AC) to direct current (DC).

A

rectifier

31
Q

The unit that measures the strength of the electric current is a(n):

A

amp

32
Q

Which type of electrotherapy involves a thermal current with a high rate of oscillation or vibration, and is commonly used for scalp and facial treatments?

A

Tesla high-frequency current

33
Q

A(n) _____ is a device that changes direct current to alternating current.

A

inverter

34
Q

A _____ is a color component within the skin such as blood or melanin.

A

chromophore

35
Q

What name is given to all of the forms of energy that exist?

A

electromagnetic spectrum

36
Q

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

A

photothermolysis

37
Q

Electricity is the movement of _____ from one atom to another along a conductor.

A

electrons

38
Q

The positive electrode on an electrotherapy device is called a(n):

A

anode

39
Q

Which type of UV light is most associated with sunburns?

A

UVB

40
Q

Which process infuses an alkaline product into the tissues from the negative pole toward the positive pole?

A

anaphoresis

Chapter 13 (1 decks)

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