Ch. 13 Basics of Electricity Flashcards
An insulator or _________________is a substance that does not easily transmit electricity.
nonconductor
What electrical term is abbreviated as AC?
Alternating current
What apparatus changes alternating current (AC) to direct current (DC)?
Rectifier
The term used for measuring the strength of an electric current is:
ampere
What unit of measure is equivalent to 1/1000 of an ampere?
Miliampere
The term used for measuring the resistance of an electric current is:
ohm
The term used for measuring how much electric energy is being used in one second is:
watt
Which safety devices prevent the overheating of electric wires?
Fuses and circuit breakers
Which apparatus conducts electric current from an electrotherapy device to the client’s skin?
Electrode
A positive electrode is called an:
anode
Commonly used modalities in cosmetology are Tesla high-frequency current, microcurrent, and:
galvanic current
The process of introducing water-soluble products into the skin with the use of electric current is known as:
iontophoresis
What process forces acidic substances into deeper tissues using galvanic current from the positive toward the negative pole?
Cataphoresis
The process used to soften and emulsify grease deposits and blackheads in the hair follicles is called:
Desincrustation
An extremely low level of electricity that mirrors the body’s natural electricity impulses is known as:
microcurrent
What is the thermal or heat-producing current with a high rate of oscillation or vibration that is commonly used for scalp and facial treatments?
Violet ray
An instrument producing moist, uniform heat that can be applied to the head or face is called a:
steamer
The distance between two successive peaks of electromagnetic waves is called:
wavelength
Thirty-five percent of natural sunlight is made up of:
visible light
Ultraviolet rays, also known as cold light, make up________percent of natural light?
5
The type of light blocked by the ozone layer is:
UVC
Infrared lamps are primarily used during hair conditioning treatments and to:
process haircolor
Laser is the acronym for:
Light Amplification Stimulation Emission of Radiation
Removing blood vessels, disabling hair follicles, and eliminating some wrinkles may be accomplished using various________treatments
laser
LED is the abbreviated version of____________, which is used in treatments to reduce acne and increase skin circulation.
light-emitting diode
