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light, heat, chemical and magnetic changes are all produced by
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material that best transports electricity is an
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Chapter 4

Electricity

QuestionAnswer
light, heat, chemical and magnetic changes are all produced by electricity
material that best transports electricity is an conductor
since silver and copper transmit electricity, they are called conductors
materials such as glass, rubber or paper around a conductor that does not allow current to pass through is called an insulator
which of the following materials does not allow a current to pass though it alcohol
an ampere is a unit of electric strength
how many milliamperes equal one ampere 1,000
a volt is a unit of electric pressure
a unit of electric resistance is called ohm
a measure of how much electric energy is being used is known as a watt
a constant electric current flowing in one direction is called an direct current
which of the following devices breaks the flow of current when an overload occurs circuit breaker
which of the following of the steps should NOT be followed to break the circuit when a person comes in contact with an electric current? touch the person to ground the circuit
the application of special currents (or modalities) that have a variety of effects on the skin is called electrotherapy
a current conductor used to direct the current appliance to the clients skin is called an electrode
the direct current used in electrotherapy treatment is galvanic
the electrode that is negatively charged during an electrotherapy treatment is known as an cathode
what temporary effect will a negative electrode pole produce when applying galvanic current during an electrotherapy treatment increase in blood flow
which of the following is not a temporary effect of the positive pole of galvanic current softens tissues
a treatment in which sebum is broken down or blackheads are liquefied, as in deep-pore cleansing is known as desincrustation
when using galvanic current on clients in a salon, what precaution must a salon professional take in order to prevent injury to the client do not use over an area having broken capillaries
faradic current is used chiefly to cause muscle contractions
tesla, a high frequency current is known as the violet ray
high frequency and alternating current are characteristics of which type of electrotherapy telsa
an alternating current that can be adjusted to different voltages to produce heat high frequency
if the client is holding the active electrode while the salon professional manually stimulates the area being treated , what method of telsa current is being used indirect application
which of the following will produce a mild, stimulating sensation while using high frequency current slightly separating the electrode from the skin
treatment with light rays is called light therapy
which type of light can be broken into its individual wavelengths by a prism combination
which of the following has the longest wavelengths infrared rays
a salon owner wants to mimic natural sunlight as closely as possibly in the salon reception area, which type of light would most likely be used to accomplish this requirement? fluorescent light
pure heat rays are produced by infrared rays
which of the following is a benefit of using infrared light during a facial increases circulation
the average distance an infrared lamp should be places during a facial is about 30"
which of the following are known as actinic rays ultraviolet
which of the following is a benefit derived from the UV light small doses tan the skin
small doses of ultraviolet light may help the body produce vitamin d
bacteria that cause the skin infections can be killed by ultraviolet light
before using ultraviolet light on a client, the skin or scalp should be cleansed
materials that do not allow a current to pass is called an insulator
Created by: 1187546612
 

 



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