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25 Cards in this Set
- Front
- Back
The flow of electricity along a conductor is called a(n): |
Electric current |
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Electric wires are usually covered with a rubber substance that is used as a(n): |
Insulator |
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A _________ is a device that changes direct current to alternating current. |
Converter |
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The term _________ refers to a rapid and interrupted current that flows in one direction then in the opposite direction. |
Alternating current |
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The unit that measures the pressure or force that pushes the flow of elections through a conductor is a(n): |
Volt |
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Which unit measures the resistance of a electric current? |
Ohm |
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The device that prevents excessive current from passing through a circuit is called a(n): |
Fuse |
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A switch that automatically interrupts or shuts off an electric current at the first indication of an overload is a(n): |
Circuit breaker |
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The negative electrode of an electrotherapy device is called a(n): |
Cathode |
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A process that forces an alkaline product into the tissues from the negative toward the positive pole is called: |
Anaphoresis |
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Grounding completes a(n) _________ and carries the current safely away. |
Electric current |
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All the electrical appliances you use should: |
Be UL certified |
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When using ________, the active electrode is the electrode used on the area to be treated. |
Galvanic Current |
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Microcurrent can be used to ________ and restore elasticity. |
Increase muscle tone |
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Only licensed professionals can use: |
Light therapy equipment |
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A wavelength is the distance successive peaks of ________ waves. |
Electromagnetic |
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Invisible light is the light at either end of the _______ that is invisible to the naked eye. |
Visible spectrum of light |
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UVC light: |
Is blocked by the ozone layer |
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Catalysts are substances that speed up: |
Chemical reactions |
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All lasers work by a process known as selective: |
Photothermolysis |
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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 |
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An extremely low level of electricity that mirrors the body's natural electrical impulses is: |
Microcurrent |
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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 |
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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 |
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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 |