1
When electricity is in motion it exhibits magnetic, ______, or thermal effects.
chemical
The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor is a(n) _____.
volt
Normal electric wall sockets that power a hairdryer or curling iron are _____ volts.
120
A special device that prevents excessive current from passing through a circuit is a(n) _____.
fuse
All the electrical appliances you use should be _____ certified.
UL
The use of electrical currents to treat the skin is commonly referred to as _____.
electrotherapy
What unit measures the strength of an electric current?
Ampere
When working with electricity, appliances with a _____ offer the most protection for you and your clients.
three-prong plug
What is the movement of electrons from one atom to another along a conductor?
Electricity
Currents used in electrical facial and scalp are called _____.
modalities
An applicator that directs electric current from a machine to the client’s skin is a(n) _____.
electrode
The current for facial and scalp treatments is measured in _____.
milliamperes
What term refers to a form of anaphoresis used to treat acne, milia, and comedones?
Desincrustation
What type of current should be avoided for clients who are pregnant, have high blood pressure, or have a pacemaker?
Tesla high-frequency
Which material is a good conductor of electricity?
Copper
What is the shortest and least penetrating light of the electromagnetic spectrum?
Ultraviolet light
What unit measures the resistance of an electric current?
Ohm
What term refers to an extremely low level of electricity that mirrors the body’s natural electrical impulses?
Microcurrent
What is another term for Tesla high-frequency current?
Violet ray
What term refers to the distance between two successive peaks of electromagnetic waves?
Wavelength
The negative or positive pole of an electric current is referred to as the _____.
polarity
A measurement of how much electricity is being used in one second is a(n) _____.
watt
A positive electrode is called a(n) _____.
anode
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