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the path of an electric current from the generating source back to the original source is a(n):
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infrared lamps used during hair treatments and to process hair color should be operated at a distance of at least:
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electricity
study guide
| Question | Answer |
|---|---|
| the path of an electric current from the generating source back to the original source is a(n): | complete circuit |
| infrared lamps used during hair treatments and to process hair color should be operated at a distance of at least: | 30 inches |
| thermal or heat-producing current with a high rate of oscillation or vibration is: | tesla current |
| the most commonly used modality | galvanic current |
| a glass or metal applicator that directs electric current from a machine to the clients skin is a(n): | electrode |
| the electrical appliance connection that supplies current to the circuit is the: | live connection |
| `the current for facial and scalp treatments is measured in: | milliamperes |
| the positive electrode is called the: | anode |
| a measurement of how much electricity is being used in 1 second is a(n): | watt |
| a converter is an apparatus that changes direct current is: | alternating current |
| electricity does not occupy space or have physical or chemical properties; it is, however, a form of: | energy |
| the term used to measure the strength of an electric current is: | amp |
| electronic facial treatments are commonly referred to as: | electrotherapy |
| a combination light of all the visible rays of the spectrum is referred to as: | white light |
| the distance between two successive peaks is called the: | wavelength |
| caraphoresis forces acidic substances into deepest tissues using galvanica current from the: | positive toward the negative pole |
| a metal substance that is a particularly good conductor of electricity is: | copper |
| rays with long wavelengths that penetrate the deepest and produce more than visible light are: | infrared rays |
| introducing water-soluble products into the skin with the use of electric current is a process known as: | iontophoresis |
| careless electrical connections and overload circuits can result in an electric shock,burn,or: | fires |
| the special device that prevents excessive current from passing through a circuit and overloading the circuit is a(n): | fuse |
| the process frequently used to treat acne and milia and soften and emulsify deposits in the hair follicles is: | desincrustation |
| the even-flowing electric current that travels in one direction only is: | direct current |
| raid and interrupted current that flows in one direction and then in the opposite is: | alternating current |
| the indication of the negative or positive pole of an electric current is referred to as the: | polarity |
| rubber silk wood and glass are common examples of: | insulators |
| rays with short wavelengths that are least penetrating produce chemical effects and kill germs are: | ultraviolet rays |
| cordless electric clippers and battery charges convert AC current from a wall unit to DC current needed to recharge DC batteries with the use of: | rectifier |
| the unit that measures the pressure or forces that pushes the flow of electrons forward through a conductor is a(n): | volt |
| current that should not be used who are pregnant, have high blood pressure or have a pacemaker is: | tesla high frequency |
Created by:
Edavalos