Electricity

Question 1

Light, heat, chemical and magnetic changes are all produced by ________________.

Answer 1

electricity

Question 2

Material that best transports electricity is a(n) ____________.

Answer 2

conductor

Question 3

Since silver and copper transmit electricity, they are called ______________.

Answer 3

conductors

Question 4

Materials that do not allow electricity to pass through them are called __________________.

Answer 4

insulators

Question 5

Material such as glass, rubber, or paper around a conductor that does not allow current to pass through it is called a(n) ___________________.

Answer 5

insulator

Question 6

Alcohol is an insulator. (True or False)

Answer 6

True

Question 7

An ampere is a unit of electric _____________.

Answer 7

strength

Question 8

How many milliamperes equal one ampere?

Answer 8

1,000

Question 9

A volt is a unit of electric ___________.

Answer 9

pressure

Question 10

A unit of electrical resistance is called a(n) _________.

Answer 10

ohm

Question 11

A measure of how much electricity is being used is a(n) _____________

Answer 11

watt

Question 12

A constant electrical current flowing in one direction is called a(n) ______________.

Answer 12

direct current (DC)

Question 13

A ___________ breaks the flow of current when an overload occurs.

Answer 13

fuse

Question 14

When a person comes into contact with an electric current, touch the person to ground the circuit. (True or False)

Answer 14

False

Question 15

The application of special currents or modalities to the skin is called _________________.

Answer 15

electrotherapy

Question 16

When performing electrotherapy, the _________ or current conductor is used to bring the current from the appliance to the client’s skin.

Answer 16

electrode

Question 17

The direct current used in electrotherapy treatments is ________________.

Answer 17

Galvanic

Question 18

The electrode that is negatively charged during an electrotherapy treatment is the ____________.

Answer 18

cathode

Question 19

__________________ is an electrotherapy treatment used to break down sebum, liquefy blackheads, and deep clean pores.

Answer 19

Desincrustation

Question 20

Do not use Galvanic current over an area having broken capillaries. (True or False)

Answer 20

True

Question 21

Faradic current is used primarily to cause ________________.

Answer 21

muscle contractions

Question 22

Tesla, a high frequency current, is known as the ________________.

Answer 22

violet ray

Question 23

High frequency and alternating current are characteristics of which type of electrotherapy?

Answer 23

Tesla

Question 24

An alternating current that can be adjusted to different voltages to produce heat is ________________.

Answer 24

high frequency

Question 25

If the client is holding the active electrode while the cosmetologist manually stimulates the area being treated, what method of Tesla current is being used?

Answer 25

Indirect application

Question 26

Treatment with light rays is called _______________.

Answer 26

light therapy

Question 27

________________ rays have the longest wavelength.

Answer 27

Infrared

Question 28

Which type of light can be broken into its individual wavelengths by a prism?

Answer 28

Combination

Question 29

Which type of light most closely mimics natural sunlight?

Answer 29

Incandescent

Question 30

Pure heat rays are produced by _____________.

Answer 30

infrared rays

Question 31

__________________ light during a facial increases circulation.

Answer 31

Infrared

Question 32

The average distance an infrared lamp should be placed during a facial is about ________________.

Answer 32

30 inches

Question 33

Which rays are also known as actinic rays?

Answer 33

Ultraviolet

Question 34

Small doses of UV light may help the body to produce _________________.

Answer 34

Vitamin D

Question 35

Bacteria that cause skin infections can be killed by ___________________.

Answer 35

ultraviolet light