The movement of electrons from one atom to another along a conductor is called ________________
Answer
electricity
Question
Electric wires can be covered with a material that DOES NOT transmit electricity such as a rubber or plastic coating. This material is known as ____________
Answer
an insulator
Question
An apparatus that changes direct current to alternating current is _____________
Answer
an inverter
Question
The term ____________ refers to a rapid and interrupted current, flowing first in one direction and then in the opposite direction
Answer
alternating current
Question
The unit that measures the pressure of force that pushes the electric current forward through a conductor is ____________
Answer
a volt
Question
Which unit measures the resistance of an electric current?
Answer
Ohm
Question
The device that prevents excessive current from passing through a circuit is called ___________
Answer
a fuse
Question
A switch that automatically interrupts or shuts off an electric current at the first indication of an overload is ____________
Answer
a circuit breaker
Question
The negative electrode of an electrotherapy device is called _____________
Answer
a cathode
Question
A process that infuses an alkaline product into the tissues from the negative pole toward the positive pole is called ______________
Answer
an anaphoresis
Question
Grounding completes _____________ and carries the current safety away
Answer
an electric circuit
Question
All the electrical appliances you use should _____________
Answer
be UL certified
Question
When using _____________, the active electrode is the electrode used on the area to be treated
Answer
galvanic current
Question
Microcurrent can be used to ________ and restore elasticity
Answer
increase muscle tone
Question
Only licensed professionals should use _______________
Answer
light therapy
Question
A wavelength is the distance between successive peaks of ___________ waves
Answer
electromagnetic
Question
Invisible light is the light at either end of the ___________ that is invisible to the naked eye
Answer
visible spectrum of light
Question
Ultraviolet C (UVC) light ____________
Answer
is blocked by the ozone layer
Question
Catalysts are substances that speed up ________
Answer
chemical reactions
Question
All lasers work by a process known as selective ___________
Answer
photothermolysis
Question
Constant and direct current, having a positive and negative pole, which produces chemical changes when it passes through the tissue and fluids of the body is known as __________current
Answer
a galvanic
Question
An extremely low level of electricity that mirrors the body's natural electrical impulses is ____________
Answer
a microcurrent
Question
A medical device that uses multiple colors and wavelengths of focused light to treat conditions such as excessive hair and spider veins is _____________
Answer
an intense pulse light
Question
The thermal or heat-producing current with a high rate of oscillation or vibration that is commonly used for scalp and facial treatments is called _________
Answer
A Tesla high-frequency current
Question
A device that works by releasing lights onto skin to stimulate specific responses at precise depths of the skin tissue is ____________
Answer
a light-emitting diode
Question
For safety, use no more than __________ plug(s) in each outlet
Answer
One
Question
When ____________ is heated, it produces positive and negative ions that cancel the electric charges in the hair that cause static electricity
Answer
tourmaline
Question
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 __________
Answer
damage and skin cancer
Question
The use of _____________ light reduces acne and bacteria on the skin
Answer
blue
Question
The unit that measures how much electric energy is being used in one second is ______________
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