Electricity

Question 1

Light, heat, chemical and magnetic changes are all produced by…

Answer 1

Electricity

Question 2

Since silver and copper transmit electricity, they are called…

Answer 2

Conductors

Question 3

Materials that do not allow a current to pass through them are called…

Answer 3

Insulators

Question 4

What material does NOT allow a current to pass through it?

Answer 4

Alcohol

Question 5

An amp is a unit of electric…

Answer 5

Strength

Question 6

A volt is a unit of electric…

Answer 6

Pressure

Question 7

A current in which electrons move at an even rate and flow in only one direction is called…

Answer 7

Direct current

Question 8

Dropping an electrical appliance into water, making it a foreign conductor, causes an…

Answer 8

Overload

Question 9

What device breaks the flow of current when an overload occurs?

Answer 9

Circuit breaker

Question 10

The application of a specific electric current or piece of equipment for corrective and therapeutic benefits on the skin is called…

Answer 10

Electrotherapy

Question 11

When performing an electrotherapy procedure, what current conductor is used to bring the current from the appliance to the client’s skin?

Answer 11

Electrode

Question 12

When using galvanic current, what precaution must a salon professional take in order to prevent injury to the client?

Answer 12

Do not use over an area with many broken capillaries

Question 13

The direct current used in electrotherapy treatments is…

Answer 13

Galvanic

Question 14

The electrode that is negatively charged during an electrotherapy treatment is known as a…

Answer 14

Cathode

Question 15

Which electrotherapy treatment can cause sebum to be broken down or blackheads to be liquefied, as in deep-pore cleansing?

Answer 15

Desincrustation

Question 16

What temporary effect will a negative electrode pole product produce when applying galvanic current during an electrotherapy treatment?

Answer 16

Increases blood flow

Question 17

What are temporary effects of using the positive pole of a galvanic current in electrotherapy?

Answer 17

Soothing the nerves
Produces an acidic reaction
Slows the blood flow by contracting the vessels

Question 18

EMS is an alternating current used chiefly during scalp and facial massage to cause…

Answer 18

Muscle contractions

Question 19

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

Answer 19

High-frequency

Question 20

When the salon professional applies the electrode directly to the client’s scalp or face when using high-frequency current, which method is being used?

Answer 20

Direct application

Question 21

If the client is holding the active electrode while the salon professional manually stimulates the area being treated, what method of high-frequency current is being used?

Answer 21

Indirect application

Question 22

What actions will produce a mild, stimulating sensation while using high-frequency current?

Answer 22

Slightly separating the electrode from the skin

Question 23

Treatment with light rays or waves is called…

Answer 23

Light therapy

Question 24

What is the longest wavelength?

Answer 24

Infrared rays

Question 25

What is a benefit of using infrared light during a facial?

Answer 25

Increases circulation

Question 26

The minimum distance an infrared lamp must be placed from the client’s face during a facial is…

Answer 26

30 inches

Question 27

Small doses of ultraviolet light may help the body produce

Answer 27

Vitamin D

Question 28

Bacteria that cause skin infections can be killed by…

Answer 28

Ultraviolet light

Question 29

Before using ultraviolet light on a client, the skin or scalp should be…

Answer 29

Cleansed

Question 30

You and your client should wear protective eyewear when you are using…

Answer 30

UV light