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esthetics state board > Ch 8 - Electricity > Flashcards

Ch 8 - Electricity Flashcards

1
Q

What does the acronym LED stand for

A

Light-emitting diode

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2
Q

What measure is one-thousandth of a ampere

A

Milliampere

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3
Q

What term refers to currents used as facial and scalp treatments

A

Modalities

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4
Q

What apparatus changes AC to DC

A

Rectifier

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5
Q

What describes Tesla high-frequency current

A

High rate of oscillation and vibration

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6
Q

What is a description of white light

A

Combination of all visible rays of the spectrum

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7
Q

What is yellow LED light used for

A

Reducing inflammation and swelling

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8
Q

What is red LED light used for

A

Stimulating circulation

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9
Q

What is green LED light used for

A

Detoxifying the skin

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10
Q

What is the primary source of light used in facial and scalp

A

Visible light

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11
Q

What is a device in which UVA radiation in used

A

Tanning bed

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12
Q

What is a term commonly used in reference to UVB radiation

A

Burning light

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13
Q

What is true of UVC radiation

A

It is the most dangerous type of UV radiation

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14
Q

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

A

Chromophore

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15
Q

How does red LED light affect cellular processes

A

Increases cellular processes

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16
Q

What is NOT a condition that intense pulse light is used to treat

A

Albinism

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17
Q

What is a wavelength

A

Distance between two successive peaks of electromagnetic waves

18
Q

What does a watt measure

A

How much electric energy is used in 1 second

19
Q

What do volts measure

A

Force pushing electrons forward through a conductor

20
Q

What do ohms measure

A

Resistance of electric current

21
Q

What is the term for rapid and interrupted current, flowing first one direction and then in the opposite direction

A

Alternating current

22
Q

What is the term for a constant, even flowing current that travels in one direction only

A

Direct current

23
Q

What unit measures the amount of an electric current

A

Amp

24
Q

What type of LED light is used to treat acne

A

Blue

25
Q

What is the term for a negative electrode

A

Cathode

26
Q

What is the movement of particles around an atom that created pure energy

A

Electricity

27
Q

What should you do on a regular basis

A

Inspect electrical equipment

28
Q

What is ionization

A

Introducing water-soluble products into the skin with electric current

29
Q

What is cataphoresis

A

Forcing acidic substances into deeper tissues using galvanic current

30
Q

What is anaphoresis

A

Forcing liquids into tissues from the negative toward the positive pole

31
Q

What is the other method for applying high-frequency current, besides indirect application

A

Direct surface application

32
Q

What percentage of natural sunlight does invisible infrared light comprise

A

60 percent

33
Q

What is a complete circuit

A

Path of current from the source through conductors and back

34
Q

What is the term for any substance that easily transmits electricity

A

Conductor

35
Q

What is the device that prevents excessive current from passing through a circuit

A

Fuse

36
Q

What completes a circuit and carries the current away safely

A

Ground

37
Q

What are invisible rays with long wavelengths

A

Infrared light rays

38
Q

What is the term for a substance that does not easily transmit electricity

A

Insulator

39
Q

What is the measurement for 1,000 watts

A

Kilowatt

40
Q

What is NOT a condition treated with light therapy

A

Obesity

esthetics state board (23 decks)

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