Chapter 13-Basic of electricity Flashcards
The movement of electrons from one atom to another along a conductor is called ________________.
a. an electric charge
b. electricity
c. energy flow
d. sparks
electricity
Electric wires can be covered with a material that does not transmit electricity such as a rubber or plastic coating. This material is known as _____________.
a. an insulator
b. a conductor
c. a circuit
d. a fuse
an insulator
an apparatus that changes direct current to alternating current is __________.
a. rectifier
b. a circuit breaker
c. an inverter
d. a fuse box
an inverter
the term ___________ refers to a rapid and interrupted current, flowing first in one direction and then in the opposite direction.
a. rectifier current
b. alternating current
c. active current
d. direct current
alternating current
the unit that measures the pressure or force that pushes the electric current forward through a conductor is ___________.
a. an amp
b. a watt
c. an ohm
d. a volt
a volt
Which unit measures the resistance of an electric current
a. ohm
b. watt
c. amp
d. volt
a voltf
The device that prevents excessive current from passing through a circuit is called ____________.
a. a fuse
b. a battery
c. a kilowatt
d. an ampera
a fuse
A switch that automatically interrupts or shuts off an electric current at the first indication of an overload is ___________.
a voltage regulator
b. an ampere interrupter
c. a circuit breaker
d. a battery charger
a circuit breaker
the negative electrotherapy device is called ____________.
a. an anode
b. an electron
c. a carbide
d. a cathode
a cathode
a process that infuses an alkaline product into the tissues from the negative pole toward the positive pole is called _________.
a. a cataphoresis
b. an anaphoresis
c. an iontophoresis
d. a mircrocurrent
an anaphoresis
Grounding completes __________ and carries the current safely away.
a. an electric charge
b. an electric circuit
c. an electron flow
d. a mircocurrent
an electric circuit
All the electrical appliances you use should ____________.
a. be battery operated
b. be UL certified
c. have a two-prong plug
d. be used near water
be UL certified
When using ___________, the active electrode is the electrode used on the area to be treated.
a. alternating current
b. direct current
c. electric current
d. galvanic current
galvanic current
Mircocurrent can be used to _________ and restore elasticity
a. decrease metabolism circulation
b. increase muscle tone
c. reduce lymph
d. prevent acidic reactions
increase muscle tones
Only license professionals should use ___________.
a. electric hairdryers equipment
b. electric streamers
c. light therapy
d. electric vaporizers
light therapy
A wavelength is the distance between successive peaks of ________ waves.
a. electric
b. electromagnetic
c. galvanic
d. infrared
electromagnetic
Invisible light is the light at either end of the _____________ that is invisible to the naked eye.
a. electromagnetic spectrum
b. spectrum of radiance
c. spectrum of radiation
d. visible spectrum of light
visible spectrum of light
Ultraviolet C (UVC) light ___________.
a. is often used in tanning beds
b. has the longest wavelength
c. is often called the burning light
d. is blocked by the ozone layer
is blocked by the ozone layer
Catalysts are substances that speed up ____________.
a. chemical reactions
b. acidic reactions
c. alkaline reactions
d. photoxic reactions
chemical reactions
All lasers work by a process known as selective __________.
a. emission
b. electrolysis
c. photothermolysis
d. photosynthesis
photothermoysis
Constant and direct current, having a positive and negative pole, which produces chemical changes when it passes through the tissues and fluids of the body is known as _________ current.
a. a galvanic
b. an alternating
c. a direct
d. a conductive
a galvanic
an extremely low level of electricity that mirrors the body’s natural electrical impulses is ____________.
a. a minicurrent
b. a mircocurrent
c. a milliampere
d. an internal current
a mircocurrent
a medical device that uses multiple colors and wavelengths of focused light to treat conditions such as excessive hair and spider veins is _____________.
a. a laser
b. an infrared light device
c. an intense pulse light
d. a light-emitting diode
an intense pulse light
The thermal or heat-producing current with a high rate of oscillation or vibration that is commonly used for scalp and facial treatment is called _________.
a. a tesla light-emitting current
b. an ultraviolet light
c. an intense pulse light
d. a tesla high-frequency current
a tesla high-frequency current
a device that works by releasing light onto the skin to stimulate specific responses at precise depths of the skin tissue is ___________.
a. a laser
b. an infrared light device
c. an intense pulse light
d. a light-emitting diode
a light-emitting diode
for safety, use no more than ______ plug(s) in each outlet
a. one
b. two
c. three
d. four
one
when_______ is heated, it produces positive and negative ions that cancel the electric charges in the hair that cause static electricity
a. aluminum
b. stainless steel
c. tourmailine
d. an insulator
tourmailine
The application of UV light must be done with the utmost care in a proper manner by a qualified professional because overexposure can lean to skin ___________.
a. allergies and irritation
b. damage and skin cancer
c. dryness and scaling
d. excessing sloughing
damange and skin cancer
The use of ______ light reduces acne and bacteria on the skin
a. green
b. red
c. yellow
d. blue
blue
the unit that measures how much electric energy is being used in one second is ___________.
a. an ohm
b. a volt
c. a watt
d. an ampere
a watt
