1
Electric _________ refers to the flow of electricity along a conductor.
Current
Ultraviolet A (UVA) light _______
Is often used in tanning beds
Grounding completes a __________ and carries the current safely away.
Electric circuit
All of the electrical appliances you use should __________.
Be UL certified
For safety, use no more than ________ plug(s) in each outlet.
One
The application of UV light must be done with the utmost care in a proper manner by a qualified professional because overexposure can lead to skin __________.
Damage and cancer
The negative electrode of an electrotherapy device is called a __________.
Cathode
The unit that measures the pressure or force that pushes the electric current forward through a conductor is a _________.
Volt
When using __________ current, the active electrode is the electrode used on the area to be treated.
Galvanic
An apparatus that changes direct current to alternating current is a ____________.
Inverter
The term __________ current refers to a rapid and interrupted current, flowing first in one direction and then in the opposite direction.
Alternating
A ________ is an extremely low level of electricity that mirrors the body's natural electrical impulses.
Microcurrent
The movement of electrons from one atom to another along a conductor is called __________.
Electricity
The unit that measures how much electric energy is being used in one second is a _________.
Watt
Catalysts are substances that speed up _______ reactions.
Chemcial
Electric wires can be covered with a material that does not transmit electricity, such as rubber or plastic coating. This material is known as a ________.
Insulator
A wavelength is the distance between successive peaks of _______ waves.
Electromagnetic
Which unit measures the resistance of an electric current?
Ohm
Microcurrent can be used to _________ and restore elasticity.
Increase muscle tone
The device that prevents excessive current from passing through a circuit is called a __________.
Fuse
Constant and direct current that has a positive and negative pole and produces chemical changes when it passes through the tissue and fluids of the body is known as ________ current.
Galvanic
The thermal or heat-producing current with a high rate of oscillation or vibration that is commonly used for the scalp and facial treatments is called _________ current.
Tesla high-frequency
Invisible light is the light at either end of the _________ that is invisible to the naked eye.
Visible spectrum of light
What is considered a good conductor?
Tap water
A switch that automatically interrupts or shuts off an electric current at the first indication of an overload is a ________.
Circuit breaker