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25 Cards in this Set

  • Front
  • Back

The flow of electricity along a conductor is called a(n):

Electric current

Electric wires are usually covered with a rubber substance that is used as a(n):

Insulator

A _________ is a device that changes direct current to alternating current.

Converter

The term _________ refers to a rapid and interrupted current that flows in one direction then in the opposite direction.

Alternating current

The unit that measures the pressure or force that pushes the flow of elections through a conductor is a(n):

Volt

Which unit measures the resistance of a electric current?

Ohm

The device that prevents excessive current from passing through a circuit is called a(n):

Fuse

A switch that automatically interrupts or shuts off an electric current at the first indication of an overload is a(n):

Circuit breaker

The negative electrode of an electrotherapy device is called a(n):

Cathode

A process that forces an alkaline product into the tissues from the negative toward the positive pole is called:

Anaphoresis

Grounding completes a(n) _________ and carries the current safely away.

Electric current

All the electrical appliances you use should:

Be UL certified

When using ________, the active electrode is the electrode used on the area to be treated.

Galvanic Current

Microcurrent can be used to ________ and restore elasticity.

Increase muscle tone

Only licensed professionals can use:

Light therapy equipment

A wavelength is the distance successive peaks of ________ waves.

Electromagnetic

Invisible light is the light at either end of the _______ that is invisible to the naked eye.

Visible spectrum of light

UVC light:

Is blocked by the ozone layer

Catalysts are substances that speed up:

Chemical reactions

All lasers work by a process known as selective:

Photothermolysis

Constant and direct current, having a positive and negative pole, that produces chemical changes when it passes through the tissues and fluids of the body is known as __________ current:

Galvanic

An extremely low level of electricity that mirrors the body's natural electrical impulses is:

Microcurrent

A medical device that uses multiple colors and wavelengths of focuses light to treat such conditions as excessive hair and spider veins is a(n):

Intense pulse light

The thermal or heat-producing current with a high rate of oscillation or vibration commonly used for scalp and facial treatments called:

Tesla high-frequency current

A device that works by releasing light onto the skin to stimulate specific responses at precise depths of the skin tissue is a(n):

Light-emitting diode