Category 1
Thermal or heat-producing current with a high rate of oscillation or vibration that is commonly used for scalp and facial treatments is called _____________current.
Tesla High-frequency
Which of the following clients should not have electrotherapy?
pregnant clients, clients with broken skin and clients with pacemakers
The movements of electrons from one atom to another along a conductor is called___________.
electricity
The unit measurement used for a magnifying lamp is a(n)
diopter
Which percentage of natural sunlight is visible, making up the visible spectrum of light?
35%
An apparatus that changes direct current to alternating current is a(n)___________.
Inverter
The primary purpose of the rotary brush is ___________.
to lightly exfoliate the skin and assist in the cleansing process
Catalysts are substances that speed up_________ reactions.
chemical
What types of products are used for desincrustation?
alkaline
Light therapy is also known as ______.
Phototherapy
When performing desincrustation, before you turn on the galvanic current, you should make sure the electrode you will use on the clients face is __________.
directly on the skin
The two significant reactions caused by galvanic current are_____________.
desincrustation and iontophoresis
You should not use a suction device on __________.
inflamed skin, couperose skin and broken skin
___________is an extremely low level of electricity that mirrors the body's neutral electrical impulses.
microcurrent
Ultra-Violet light is visible to the naked eye; True or False?
False; it is invisible to the naked eye
When using __________current, the active electrode is the electrode used on the area to be treated.
galvanic
Within the visible spectrum of light, ___________has the shortest wavelength and _________ has the longest.
violet; red
What light is known as cold light or actinic light?
ultraviolet
Microcurrent can be used to _____ and restore elasticity.
increase muscle tone
Which type of light prompts the skin to produce beneficial vitamin D?
ultraviolet light
What is the best explanation for iontophoresis?
introduces water-soluble products with ions into the skin
The negative electrode of an electrotherapy device is called a(n)_________.
cathode
What consists of three oxygen atoms, is created after a lightning storm, and has antiseptic qualities?
Ozone
The electromagnetic spectrum is the name given to ______.
all of the forms of energy that exist
In order to practice good electrical safety, ALWAYS ______.
disconnect appliances when they are not in use