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Cosmetology > Chapter 11 > Flashcards

Chapter 11 Flashcards

0
Q

The flow of electricity along a conductor is called a(n):

A. electric charge
B. electric current
C. swirl
D. spark

A

B. electric current

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1
Q

Electricity is described as a form of:

A. energy
B. movement
C. negativity
D. shortness

A

A. energy

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2
Q

Metals used in electric wiring and motors are materials that are considered good electricity:

A. current
B. conductors
C. wattage
D. ohms

A

B. conductors

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3
Q

Electric wires are usually covered with a rubber substance that is used as an insulator or:

A. nonconductor
B. mechanical
C. current
D. voltage

A

A. nonconductor

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4
Q

The path of electricity from the generating source through conductor and back to the original source is called a(n):

A. electric charge
B. alternating charge
C. insulator
D. complete circuit

A

D. complete circuit

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5
Q

Electric current that is constant, even-flowing and travels in one direction is:

A. direct current
B. direct volt
C. converter
D. active current

A

A. direct current

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6
Q

The device that changes direct current to alternating current is a(n):

A. convex
B. converter
C. voltage
D. ohm

A

B. converter

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7
Q

A rapid and interrupted current that flows in one direction then in the opposite direction is:

A. rectifier current
B. alternating current
C. active current
D. direct current

A

B. alternating current

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8
Q

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

A. amp
B. rectifier
C. apparatus
D. volt

A

D. volt

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9
Q

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

A. battery
B. volt
C. ampere
D. Charger

A

C. ampere

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10
Q

The current that is used for facial and scalp treatments is measured in:

A. milliamperes
B. direct current
C. wattage
D. voltage

A

A. milliamperes

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11
Q

The unit that measures how much electric energy is being used in one second is a(n):

A. ohm
B. watt
C. amp
D. volt

A

B. watt

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12
Q

The device that prevents excessive current from passing through a circuit is a(n):

A. fuse
B. battery
C. kilowatt
D. ampere

A

A. fuse

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13
Q

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

A

C. circuit breaker

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14
Q

An important way of promoting electrical safety is the principal of:

A. grounding
B. connections
C. low frequency
D. visible light

A

A. grounding

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15
Q

An applicator tthat is used for directing the electric current from the machine to the clients skin is called a(n):

A. steamer
B. anaphoresis
C. polarity
D. electrode

A

D. electrode

16
Q

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

A. frequency
B. anode
C. vaporizer
D. accelerating

A

B. anode

17
Q

The negative electrode of an electrotherapy device is called a(n):

A. cathode
B. electron
C. carbon
D. therapeutic

A

A. cathode

18
Q

The most commonly used modality that is a constant and direct current is:

A. indirect current
B. active current
C. galvanic current
D. tesla curent

A

C. galvanic current

19
Q

The process of introducing water-soluble products into the skin with the use of electric current is called:

A. chemical reaction
B. inactive electrodes
C. iontophoresis
D. electrodes

A

C. iontophoresis

20
Q

A process that forces liquids into the tissues from the negative toward the positive pole is called:

A. anaphoresis
B. desincrustation
C. iontophoresis
D. therapeutic light

A

A. anaphoresis

21
Q

A thermal or heat-producing current with a high rate of oscillation that is used for scalp and facial treatments is:

A. tesla current
B. direct current
C.alternating current
D. infrared current

A

A. tesla current

22
Q

Visible light, the part of the electromagnetic radiation spectrum that we can see, makes up what percentage of natural sunlight?

A. 35%
B. 25%
C. 60%
D. 50%

A

A. 35%

23
Q

The long wavelengths that peneytrate t he deepest and produce the most heat are:

A. infrared rays
B. blue rays
C. ultraviolet rays
D. natural rays

A

A. infrared rays

24
Q

To avoid damage to the eyes of a client or practitioner when using light therapy treatments, the eyes should be protected with saturated cotton pads or:

A. safety goggles
B. sunscreen
C. plastic cap
D. towels

A

A. safety goggles

Cosmetology (21 decks)

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