Vocabulary
The length of time that current is flowing is called a what?
Pulse
Rubbing your palms together is an example of mechanical treatment.
False
Materials that do not allow a current to pass through them are called..
Insulators
Which light source is close to being adopted as the mainstream light source?
LED
Which of the following items is a reusable safety device that breaks the flow of current when an overload occurs?
Fuse, Insulator , Grounding wire , or circuit breaker
Fuse
A Treatment used to help improve the appearance of the skin is called.
Light Therapy
Walking across carpet in a cold, dry environment, then touching a metal object and getting small shock is an example of static electricity.
True
What changes alternating current to direct current?
Rectifier
Name a benefit you gain from using infrared light during a facial.
Increased circulation
When a facial steamer is on and steam begins to flow , you have and example of a(n)
Closed Circuit
The portion of the electromagnetic spectrum humans can see is known as..
Visible Light
The corrective spa facial has the same treatment phase as a regular facial , with addition of devices.
True
Galvanic , Faradic , and pulsed DC fall under what type of current?
Direct Current.
What skin condition is red and amber light used to treat?
Aging
Collagen and elastin fibers in the skin can be destroyed by what type of light?
UVA Light
The thermal breakdown of the skin caused by the intense heat is called what ?
Pyrolysis
Esthetics electrotherapy devices improve the skins appearance by stimulation, product application enhancement and deep cleansing.
True
The probes and conductive gloves on a micro-current device are used in a pattern on the what ?
Face , Neck and upper chest area
Small does of ultraviolet light may the body produce ..
Vitamin D
What frequency application treatment uses the formation of ozone to produce a mild germicidal effect on the skin?
Sparking
A negatively charged electrode on an electrotherapy applicator is called a what?
Cathode
GFCI is recommended for installation in any area where water and electricity come into contact?
True
A current in which electrons move at an even rate and flow in only direction is called a what ?
Direct Current
The minimum distance an infrared lamp light must be placed from the clients face during the a facial is .
30”
Which electrode creates a agermicidal effect and is used in circular , gliding motions across the face?
Mushroom