Pink
Why is copper used in electrical wiring and electrical motors?
Because it is a good conductor
In order to practice good electrical safety, ALWAYS
Disconnect appliances when they are not in use
What is a Tesla high frequency current used for?
improving germicidal action
Which type of light prompts the skin to produce beneficial vitamin D?
Ultraviolet light
What should you do if you receive a light shock sensation while using an electrical device?
Unplug the appliance from the wall
What does a watt measure?
How much electric energy is being used in one second
The use of electrical currents to treat the skin is called:
Electrotherapy
The electromagnetic spectrum is the name given to:
All of the forms of energy that exist
What measures the resistance of electrical current?
An ohm
What is used as an applicator for directing electric current from an electrotherapy device to the client's skin?
An electrode
What is an electrical safety device you may encounter when working in a salon or spa?
A circuit breaker
What is true of the poles of an electric current?
They are either positive or negative
What is true of fluorescent light?
It is cooler than natural sunlight
What is true of a wire that is not large enough to carry the electrical current passing through it?
It will overheat
Which of the following reactions can be expected when using cataphoresis?
A closing of pores
Why is grounding important?
Because it protects against electrical shock
What is true of a galvanic current?
It has a positive and a negative pole.
What differentiates between long wavelengths and short wavelengths?
Long wavelengths have low frequency, short wavelengths have high frequency
What is an electrical safety device that is designed to prevent excessive current from passing through a circuit by blowing out or melting when a wire becomes too hot from overloading the circuit with too much current?
A fuse
For which service would microcurrent be MOST useful?
Reducing redness and inflammation
In what location would a GFI MOST likely be required?
A bathroom
What reaction can be expected when using anaphoresis?
A stimulation of nerves
What is true in infrared light?
It produces heat
The third circular electrical connection on a 3-pronged plug is called a:
Grounding pin
A condition that prohibits certain treatments is called a:
Contraindication