Chapter 13 Test Questions Flashcards
In galvanic current, the electrode used on the area to be treated is the:
active electrode
In LED therapy, _____ light reduces hyperpigmentation.
green
The unit that measures the resistance of an electric current is a(n):
ohm
A(n) _____ measures the amount of electric energy used in 1 second.
watt
Which unit measures the pressure or force that pushes electric current forward through a conductor?
volt
Microcurrent is NOT used to:
increase elimination and absorption
A substance that does not easily transmit electricity is called a(n):
insulator
The third prong found on the plugs of some appliances is called the:
grounding pin
The different types of electrical currents used in facial and scalp treatments are called:
modalities
Within the visible spectrum of light, the longest wavelength is:
red
Rapid, interrupted electric current that flows in one direction then in the opposite direction is called _____ current.
alternating
Constant, even-flowing electrical current that travels in one direction only is called:
direct current
A(n) _____ is the path of negative and positive electric currents moving from the generating source through the conductors and back to the generating source.
complete electric circuit
A(n) _____ is a substance that speeds up a chemical reaction.
catalyst
An applicator used to direct electric current from an electrotherapy device to a client’s skin is a(n):
electrode
Which process is used to soften and emulsify oil deposits in hair follicles and treat acne conditions?
desincrustation
All the electrical appliances you use should be __ certified.
UL
Intense pulse light is NOT used to treat:
clogged pores
In facial treatments, the process of infusing water-soluble products into the skin with electric current is called:
iontophoresis
Which of the following is NOT an insulator?
copper
Ultraviolet (UV) rays applied to the skin during a treatment prompt the skin to produce:
vitamin D
A switch that automatically interrupts or shuts off an electric circuit at the first indication of an overload is a(n):
circuit breaker
UV light causes chemical reactions to happen more quickly than visible light, and:
kills some germs
The flow of electricity along a conductor is called:
an electric current
A _____ is the distance between successive peaks of an electromagnetic wave.
wavelength
Infrared lamps are NOT used:
to produce alkaline reactions
Which term refers to the negative or positive pole of an electric current?
polarity
Conventional hood hair dryers:
can be used to shorten chemical processing time
The application of light rays to the skin for the treatment of wrinkles or pigmentation is called light therapy or:
phototherapy
A(n) _____ is an apparatus that changes alternating current (AC) to direct current (DC).
rectifier
The unit that measures the strength of the electric current is a(n):
amp
Which type of electrotherapy involves a thermal current with a high rate of oscillation or vibration, and is commonly used for scalp and facial treatments?
Tesla high-frequency current
A(n) _____ is a device that changes direct current to alternating current.
inverter
A _____ is a color component within the skin such as blood or melanin.
chromophore
What name is given to all of the forms of energy that exist?
electromagnetic spectrum
All lasers work by selective _____, a process that turns the light from a laser device into heat.
photothermolysis
Electricity is the movement of _____ from one atom to another along a conductor.
electrons
The positive electrode on an electrotherapy device is called a(n):
anode
Which type of UV light is most associated with sunburns?
UVB
Which process infuses an alkaline product into the tissues from the negative pole toward the positive pole?
anaphoresis
