Electricity Vocabulary
An even flow of electricity that is produced by chemical means for wireless tools
A. direct current
B. indirect current
C. insulator
D. nonconductor
direct current
In which of the following locations would a GFI MOST likely be required?
A. bedroom
B. bathroom
C. basement
D. office building
bathroom
The poles of an electric current are either
A. conductive or nonconductive
B. direct or alternating
C. left or right
D. positive or negative
positive or negative
Infrared light ____
A. is visible to the eye
B. is a bluish light
C. produces heat
D. is galvanic
produces heat
The third circular electrical connection on a three-prong plug is called a ______.
A. ground fault interrupter
B. grounding pin
C. circuit breaker
D. fuse
grounding pin
What should you do if you receive a light shock sensation while using an electrical appliance?
A. continue using with caution
B. attempt to repair immediately
C. unplug from wall
D. give it a short break before using again
unplug from wall
A galvanic current
A. is an indirect current
B. does not produce a chemical change
C. has a positive and a negative pole
D. is a broken, inconsistent current
has a positive and a negative pole
Light therapy is LEAST likely to be used for the following clients:
A. Clients that want to get rid of the wrinkles on their foreheads.
B. Clients that want to remove the hair on their backs.
C. Clients that want to eliminate some of their age spots.
D. Clients that want to lighten their hair color.
Clients that want to lighten their hair color.
An electric safety device that is designed to prevent excessive current from passing through a circuit by blowing out or melting.
A. fuse
B. circuit breaker
C. ampere
D. nonconductor
fuse
What will happen to a wire that is not large enough to carry the electrical current passing through it?
A. it will not power the device
B. it will overheat
C. it will electrocute the user
D. it will save energy
it will overheat
What would microcurrent be MOST uselful for?
A. removing natural protective barrier of the skin
B. slowing healing time for acne lesions
C. decreasing muscle tone
D. reducing redness and inflammation
reducing redness and inflammation
What is light therapy also known as?
A. Radiotherapy
B. Laser therapy
C. Heat therapy
D. Phototherapy
Phototherapy
Used as an applicator for directing electric current from an electrotherapy device to the client's skin?
A. electrode
B. ohm
C. insulator
D. catalyst
electrode
Why is grounding important?
A. it protects against electrical shock
B. it prevents downed wires in storms
C. it turns conductors into nonconductors
D. it turns direct current into alternating current
it protects against electrical shock
What is the resistance of an electrical current is measured by
A. amperes
B. watts
C. ohms
D. volts
What kind of light prompts the skin to produce beneficial vitamin D?
A. Galvanic
B. Ultraviolet
C. Infrared
D. Fluorescent
Ultraviolet
The electromagnetic spectrum is the name given to
A. all forms of energy except for gamma rays
B. all forms of microwaves
C. all forms of energy except for X-rays
D. all forms of energy that exist
all forms of energy that exist
Which of the following is TRUE of fluorescent light?
A. it is warmer than natural sunlight
B. it is cooler than natural sunlight
C. It is a yellow-gold light
D. It is a type of incandescent light
it is cooler than natural sunlight
What BEST differentiates a positive electrode from a negative electrode?
A. The positive electrode has an electric charge; whereas the negative electrode does not.
B. The positive electrode has no electric charge; whereas the negative electrode does.
C. The positive electrode is called an anode; whereas the negative electrode is called a cathode.
D. The positive electrode is called a cathode; whereas the negative electrode is called an anode.
The positive electrode is called an anode; whereas the negative electrode is called a cathode.
Ultraviolet light _________.
A. has a long wavelength
B. is hot light
C. is invisible
D. slows chemical reactions
is invisible