1
Which LED therapy is associated with increasing circulation and improving collagen and elastin production in the skin?
Red light LED
All the electrical appliances you use should be ______ certified.
UL
Rubber, silk, wood, and glass are common examples of ___________.
insulators
A measurement of how much electricity is being used in one second is a(n) ____________.
watt
What is the shortest and least penetrating light of the electromagnetic spectrum?
direct and alternating
The path of an electric current from the generating source through the conductors and back to the original source is a(n) ________ electric circuit.
complete
What is the movement of electrons from one atom to another along a conductor?
electricity
Which phrase best describes direct current?
Produced by chemical means
What is the process of infusing water-soluble products into the skin using electric current?
iontophoresis
Cataphoresis forces acidic substances into deeper tissues using galvanic current from the
positive toward the negative pole
What general term refers to a color component within the skin such as blood or melanin?
chromophore
What term refers to a substances that speed up chemical reactions?
catalysts
The unit that measures the pressure of force that pushes the flow of electrons forward through a conductor is a(n) _________.
What term refers to an extremely low level of electricity that mirrors the body's natural electrical impulses?
Microcurrent
What part of the electromagnetic spectrum has rays that penetrate more deeply and produce more heat than visible light?
Infrared light
Light therapy is known as _________.
phototherapy
Current used in electrical facial and scalp are called _________.
modalities
What is a type of cold light that is blocked by the ozone layer?
UVC
What is the shortest and least penetrating light of the electromagnetic spectrum?
ultraviolet light
When electricity is in motion it exhibits magnetic, ________, or thermal effects.
chemical