Ch 8 - Electricity

Question 1

What does the acronym LED stand for

Answer 1

Light-emitting diode

Question 2

What measure is one-thousandth of a ampere

Answer 2

Milliampere

Question 3

What term refers to currents used as facial and scalp treatments

Answer 3

Modalities

Question 4

What apparatus changes AC to DC

Answer 4

Rectifier

Question 5

What describes Tesla high-frequency current

Answer 5

High rate of oscillation and vibration

Question 6

What is a description of white light

Answer 6

Combination of all visible rays of the spectrum

Question 7

What is yellow LED light used for

Answer 7

Reducing inflammation and swelling

Question 8

What is red LED light used for

Answer 8

Stimulating circulation

Question 9

What is green LED light used for

Answer 9

Detoxifying the skin

Question 10

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

Answer 10

Visible light

Question 11

What is a device in which UVA radiation in used

Answer 11

Tanning bed

Question 12

What is a term commonly used in reference to UVB radiation

Answer 12

Burning light

Question 13

What is true of UVC radiation

Answer 13

It is the most dangerous type of UV radiation

Question 14

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

Answer 14

Chromophore

Question 15

How does red LED light affect cellular processes

Answer 15

Increases cellular processes

Question 16

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

Answer 16

Albinism

Question 17

What is a wavelength

Answer 17

Distance between two successive peaks of electromagnetic waves

Question 18

What does a watt measure

Answer 18

How much electric energy is used in 1 second

Question 19

What do volts measure

Answer 19

Force pushing electrons forward through a conductor

Question 20

What do ohms measure

Answer 20

Resistance of electric current

Question 21

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

Answer 21

Alternating current

Question 22

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

Answer 22

Direct current

Question 23

What unit measures the amount of an electric current

Answer 23

Amp

Question 24

What type of LED light is used to treat acne

Answer 24

Blue

Question 25

What is the term for a negative electrode

Answer 25

Cathode

Question 26

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

Answer 26

Electricity

Question 27

What should you do on a regular basis

Answer 27

Inspect electrical equipment

Question 28

What is ionization

Answer 28

Introducing water-soluble products into the skin with electric current

Question 29

What is cataphoresis

Answer 29

Forcing acidic substances into deeper tissues using galvanic current

Question 30

What is anaphoresis

Answer 30

Forcing liquids into tissues from the negative toward the positive pole

Question 31

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

Answer 31

Direct surface application

Question 32

What percentage of natural sunlight does invisible infrared light comprise

Answer 32

60 percent

Question 33

What is a complete circuit

Answer 33

Path of current from the source through conductors and back

Question 34

What is the term for any substance that easily transmits electricity

Answer 34

Conductor

Question 35

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

Answer 35

Fuse

Question 36

What completes a circuit and carries the current away safely

Answer 36

Ground

Question 37

What are invisible rays with long wavelengths

Answer 37

Infrared light rays

Question 38

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

Answer 38

Insulator

Question 39

What is the measurement for 1,000 watts

Answer 39

Kilowatt

Question 40

What is NOT a condition treated with light therapy

Answer 40

Obesity