Chapter 13 Flashcards
When electricity is in motion it exhibits magnetic, _____, or thermal effects
Chemical
What is the movement of electrons from one atom to another along a conductor?
Electricity
What materials are good conductors of electricity?
Copper
What is another name for materials that are nonconductors?
Insulators
Rubber,silk wood, and glass are common examples of _____
Insulators
The path of an electric current from the generating source through the conductors and back to the original source is a(n) _____ electric circuit
Complete
What are two types of electric current?
Direct and Alternating
Which phrase best describes direct current?
Produced by chemical means
Rapid and interrupted current that flows in one direction and then in the opposite direction is known as _____ current
Alternating
The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor is a(n) ______
Volt
Normal electric wall sockets that power a hair dryer or curling iron are ______ volts
120
What unit measures the strength of an electric current?
Ampere
The current for facial and scalp treatments is measured in _____
Milliamperes
What unit measures the resistance of an electric current?
Ohm
A measurement of how much electricity is being used in one second is a(n) _____
Watt
A special device that prevents excessive current from passing through a circuit is a(n) _____
Fuse
When working with electricity, appliances with a _____ offer the most protection for you and your clients
Three Prong Plug
All the electrical appliances you use should be ____ certified
UL
The use of electrical currents to treat the skin is commonly referred to as _____
Electrotherapy
Currents used in electrical facial and scalp are called _____
Modalities
An applicator that directs electric current from a machine to the clients skin is a(n) ____
Electrode
The negative or positive pole of an electric current is referred to as the _____
Polarity
A positive electrode is called a(n) _____
Anode
What is the process of infusing water soluble products into the skin using electric current?
Iontophoresis
Cataphoresis forces acidic substances into deeper tissues using galvanic current from the ____
Positive toward the negative pole
What term refers to a form of anaphoresis used to treat acne, milia, and comedies?
Desincrustation
What term refers to an extremely low level of electricity that mirrors the body’s natural electrical impulses?
Microcurrent
What is another term for Tesla high frequency current?
Violet Ray
What type of current should be avoided for clients who are pregnant, have high blood pressure, or have a pacemaker?
Tesla High Frequency
What term refers to the distance between two successive peaks of electromagnetic waves?
Wavelength
What is the shortest and least penetrating light of the electromagnetic waves?
Ultra Violet Light
UV light prompts the skin to produce ______, a fat soluble vitamin that is good for bone growth and health
Vitamin D
It is estimated that one in five Americans will develop skin cancer and that 90 percent of those cancers will be the result of exposure to ______
UV Radiation
What is a type of cold light that is blocked by the ozone layer?
UVC
What part of the electromagnetic spectrum that rays that penetrate more deeply and produce more heat than visible light?
Infrared Light
What term refers to substances that speed up chemical reactions?
Catalysts
Light therapy is known as _____
Phototherapy
All lasers work by selective _____, a process that turns the light from the laser device into heat
Photothernolysis
What general term refers to a color component within the skin such as blood or melanin?
Chromophore
Which LED therapy is associated with increasing circulation and improving collagen and elastin production in the skin?
Red Light LED
