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100
Light, heat, chemical and magnetic changes are all produced by:
What is electricity
100
Which of the following materials does NOT allow a current to pass through it? a. metal b. water c. carbon d. alcohol
What is alcohol
100
A measure of how much electric energy is being used is known as a:
What is watt
100
When performing an electrotherapy procedure, what apparatus or current conductor is used to bring the current from the appliance to the client's skin?
What is electrode
100
Which electrotherapy treatment can cause sebum to be broken down or blackheads to be liquefied, as in deep-pore cleansing?
What is deincrustation
200
Material that best transports electricity is a (n):
What is conductor
200
An ampere is a unit of electric:
What is strength
200
A constant electric current flowing in one direction is called a (n):
What is direct current
200
The direct current used in electrotherapy treatments is:
What is galvanic
200
When using Galvanic Current on clients in a salon what precaution must a cosmetologist take in order to prevent injury to the client?
What is do not use over an area having broken capillaries
300
Since silver and copper transmit electricity, they are called:
What is conductors
300
How many milliamperes equal one ampere?
What is 1,000
300
Which of the following devices breaks the flow of current when an overload occurs? a. fuse b. insulator c. circuit breaker d. grounding wire
What is circuit breaker
300
The electrode that is negatively charged during an electrotherapy treatment is known as a (n):
What is cathode
300
Faradic Current is used chiefly to cause:
What is muscle contractions
400
Materials that do not allow a current to pass through them are called:
What is insulators
400
A volt is a unit of electric:
What is pressure
400
Which of the following steps should NOT be followed to break the circuit when a person comes in contact with an electric current? a. unplug the appliance b. turn off all of the circuit breakers c. touch the person to ground the circuit d. knock the person out of the circuit using an insulator
What is touch the person to ground the circuit
400
What temporary effect will a negative electrode pole produce when applying Galvanic Current during an electrotherapy treatment?
What is increase in blood flow
400
Tesla, a high frequency current, is known as the:
What is violet-ray
500
Material such as glass, rubber or paper around a conductor that does not allow current to pass through it is called a (n):
What is insulator
500
A unit of electrical resistance is called a (n):
What is ohm
500
The application of special currents ( or modalities ) that have a variety of effects on the skin is called:
What is electrotherapy
500
Which of the following is NOT a temporary effect of the positive pole of Galvanic Current?
What is softens tissues
500
High frequency and alternating current are characteristics of which type of electrotherapy?
What is Tesla