Basics if Electricity Flashcards

1
Q

What does LED stand for?

A

light-emitting diode

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2
Q

What measure is one-thousandth of an ampere?

A

miliampere

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3
Q

What term refers to currents used as electrical facial and scalp treatments?

A

modalities

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4
Q

What apparatus changes alternating current to direct current?

A

rectifier

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5
Q

What describes Telsa 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 imflammation 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 for facial and light treatments?

A

visible light

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11
Q

What is a device in which UVA radiation is 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 dangeroud type of UV radiation

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14
Q

What term refers to a color componnent 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

Distance between two successive peaks of electromagnetic waves:

A

wavelength

17
Q

What measures electric energy used in one sec?

A

watt

18
Q

What measures force pushing electrons forward through a conductor?

A

volts

19
Q

What measures resistance of electric current?

A

ohms

20
Q

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

A

alternating current

21
Q

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

A

direct current

22
Q

What unit measures the amount of an electric current?

A

amp

23
Q

What type of LED light is used to treat acne?

A

blue

24
Q

What is the term for a negative electrode?

A

cathode

25
Q

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

A

electricity

26
Q

What should you do on a regular basis?

A

Inspect electrical equipment

27
Q

What is ionization?

A

introducing water soluble products into the skinwith electric current

28
Q

What is cataphoresis?

A

forcing acidic substances into deeper tissues using galvanic current

29
Q

What is anaphoresis?

A

Forcing liquids into tissues from the negative towards the positive pole

30
Q

What is the other method for applying high-frrequency current besides indirect application?

A

direct surface application

31
Q

What percentage of natural sunlight does invisible infared sunlight comprise?

A

60%

32
Q

Path of current from the source through conductors and back?

A

complete circuit

33
Q

What is the term for any substance easily transmits electricity?

A

conductor

34
Q

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

A

fuse

35
Q

What completes a circut and carries the current safely away?

A

ground

36
Q

What are invisible rays with long wavelengths?

A

infared light rays

37
Q

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

A

insulator

38
Q

What is the measurement for 1,000 watts?

A

kilowatt