Electricity Flashcards
Light, heat, chemical and magnetic changes are all produced by…
Electricity
Since silver and copper transmit electricity, they are called…
Conductors
Materials that do not allow a current to pass through them are called…
Insulators
What material does NOT allow a current to pass through it?
Alcohol
An amp is a unit of electric…
Strength
A volt is a unit of electric…
Pressure
A current in which electrons move at an even rate and flow in only one direction is called…
Direct current
Dropping an electrical appliance into water, making it a foreign conductor, causes an…
Overload
What device breaks the flow of current when an overload occurs?
Circuit breaker
The application of a specific electric current or piece of equipment for corrective and therapeutic benefits on the skin is called…
Electrotherapy
When performing an electrotherapy procedure, what current conductor is used to bring the current from the appliance to the client’s skin?
Electrode
When using galvanic current, what precaution must a salon professional take in order to prevent injury to the client?
Do not use over an area with many broken capillaries
The direct current used in electrotherapy treatments is…
Galvanic
The electrode that is negatively charged during an electrotherapy treatment is known as a…
Cathode
Which electrotherapy treatment can cause sebum to be broken down or blackheads to be liquefied, as in deep-pore cleansing?
Desincrustation
What temporary effect will a negative electrode pole product produce when applying galvanic current during an electrotherapy treatment?
Increases blood flow
What are temporary effects of using the positive pole of a galvanic current in electrotherapy?
Soothing the nerves
Produces an acidic reaction
Slows the blood flow by contracting the vessels
EMS is an alternating current used chiefly during scalp and facial massage to cause…
Muscle contractions
An alternating current that can be adjusted to different voltages to produce heat is…
High-frequency
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?
Direct application
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?
Indirect application
What actions will produce a mild, stimulating sensation while using high-frequency current?
Slightly separating the electrode from the skin
Treatment with light rays or waves is called…
Light therapy
What is the longest wavelength?
Infrared rays
What is a benefit of using infrared light during a facial?
Increases circulation
The minimum distance an infrared lamp must be placed from the client’s face during a facial is…
30 inches
Small doses of ultraviolet light may help the body produce
Vitamin D
Bacteria that cause skin infections can be killed by…
Ultraviolet light
Before using ultraviolet light on a client, the skin or scalp should be…
Cleansed
You and your client should wear protective eyewear when you are using…
UV light
