PART 2: GENERAL SCIENCES / CHAPTER 8: Basics Of Electricity

Question 1

What does the acronym LED stand for?

Answer 1

Light-emitting diode

Question 2

What measure is one-thousandth of an ampere?

Answer 2

Milliampere

Question 3

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

Answer 3

Modalities

Question 4

What apparatus changes alternating current to direct current?

Answer 4

Rectifier

Question 5

What describes Tesla high-frequency current?

Answer 5

High rate of oscillation & vibration.

Question 6

What is a description of white light?

Answer 6

Combination of all the visible rays of the spectrum.

Question 7

What is yellow LED light used for?

Answer 7

Reducing inflammation & 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 & scalp treatments?

Answer 10

Visible light

Question 11

What is a device in which UVA radiation is 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 pulsed light is used to treat?

Answer 16

Albinism

Question 17

What is 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 ine 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 a rapid and interrupted current, flowing first in 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 creates 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 acid substances into deeper tissues using galvanic current.

Question 30

What is anaphoresis?

Answer 30

Forcing liquids into tissues from the negative to 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

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 safely away?

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 1000 watts?

Answer 39

Kilowatt

Question 40

What is NOT a condition treated with light therapy?

Answer 40

Obesity