Chapter 7
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The unit that measures the pressure or force that pushes the electric current forward through a conductor is a(n) ____. | Volt
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| Which unit measures the resistance of an electric current? | OHM
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| The term _____ current refers to a rapid and interrupted current flowing first in One Direction, and then in the opposite direction. | Alternating
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| Constant and direct current that has a positive and negative poll and produces chemical changes when it passes through the tissue and fluids of the body is known as _____ current. | Galvanic
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| Catalyst are substances that speed up ___ Reactions. | Chemical
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| AN APPARATUS that changes direct current to alternating current is a(n) _____ | Inverter
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| Electric wires can be covered with the material that does not transmit electricity, such as rubber or plastic coating. This material is known as a(n) _____ | Insulator
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| The movement of electrons from one atom to another along a conductor is called____ | Electricity
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| When using______ current, the active electrode is the electrode used on the area to be treated. | Galvanic
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| All of the electrical appliances you use should_____ | UL certified
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| Which is considered a good conductor? | Tap water
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| The negative electrode of an electrotherapy device is called a(n) ____ | CATHODE
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| The unit that measures how much electric energy is being used in one second is a(n) ____ | Watt
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| Electric ____ refers to the flow of electricity, along a conductor. | Current
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| Grounding completes a(n) ____ and carries the current safely away. | Electric circuit
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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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| A wavelength is the distance between successful peaks of_____ waves. | Electromagnetic
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| 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_____ current. | Tesla high frequency
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| A ______ is an extremely low level of electricity, that mirrors, the bodies, natural electrical impulses. | Microcurrent
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| Microcurrent can be used to _____ and restore elasticity. | Increase muscle tone
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| The device that prevents excessive current from passing through a circuit is called a(n) _____. | Fuse
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| For safety use no more than_____ plug in each outlet. | 1
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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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| Ultraviolet A (UVA) light _______ | Has the longest wavelength of the UV light spectrum
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| The application of UV light must be done with the upmost care in a proper manner by qualified professional, because overexposure can lead to skin _________ | Damage and skin cancer
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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