Light, heat, chemical and magnetic chages are all produced by:
A. electricity
The movement of electricity along a conductor is called:
C. electric current
What is the technical name for any electrically powered appliance?
C. load
Since silver and copper transport electricity easily, they are called:
D. conductors
Materials such as glass, rubber, or paper that do not allow electricity to flow through them are called:
C. insulators
An ampere is a unit of electric:
D. strength
A volt is a unti of electric:
C. pressure
Which of the following materials does NOT allow a current to pass through it?
D. alcohol
A unit of electrical resistance is called a(n)?
C. ohm
The measure of how difficult it is to push electrons through a conductor is called:
B. resistance
The measure of how much electrical energy is being used is called a(n):
B. watt
A constant electrical current flowing in one direction is called a(n):
C. direct current
What changes direct current into alternating current?
A. converter
Electric current that flows first in one direction and then the other is called:
C. alternating current
What changes alternating current into direct current?
A. rectifier
The power source used most often in a salon is a:
C. generator
The very minimum ampere rating of a circuit operating a single 1,000-watt blow dryer would be:
A. 10 ampere
If appliances are causing more current to flow than what the circuit is designed to carry, what could occur?
B. overloading
A closed path through which electrons travel is referred to as a:
D. circuit
Which of the following actions would be an example of closing a circuit?
C. turning on a light switch
Dropping an electrical appliance into water is an example of:
D. short circuit
What is the name of the device with a fine metal wire running through it which will melt and open the circuit if too much current is flowing through it?
A. fuse
What is a device used to protect a circuit from being overloaded?
C. circuit breaker
A special wire used on some appliances for conducting high and sudden flows of electric current out of the appliance is called a:
B. grounding wire
What type of shock passes through the nervous system?
A. general
Which of the following methods is NOT recommended for extinguishing an electrical fire?
B. pour water on it
Curling irons and heat lamps are examples of which type of electrically powered equipment?
A. thermal
What does a local shock do?
B. passes through small part of the body
Using electric clippers in cosmetology work would be an example of which kind of electrical effect?
B. mechanical
Which of the following steps should NOT be followed to break the circuit when a person comes into contact with an electric current?
B. touch the person to ground the circuit
The application of special electric currents that have certain effects on the skin is known as:
C. electrotherapy
Which of the following currents is an example of low-voltage direct current and high amps?
D. Galvanic
In order to apply special currents to the skin, what device is used to reduce the current from a typical 120-volt power source to a level safely handled by the human body?
D. wall plate
When performing an electrotherapy procedure, what apparatus or current conductor is used to bring the current from the appliance to the clients skin?
A. electrode
The oldest form of electrotherapy used in the salon is:
D. Galvanic current
What is the type of current that has an electrochemical effect?
D. Galvanic
Which of the following statements is NOT true about the anode?
A. is usually colored black
Which process uses the positive electrode to force negatively charged (alkaline) solutions into the skin without breaking the skin?
C. anaphoresis
Which process uses the postive electrode to force acidic solutions into the skin without breaking the skin?
D. cataphoresis
Which of the following statements is NOT true about cataphoresis?
A. softens tissues and opens pores
What process can use either the negative or positive pole to introduce water-soluble treatment products to the skin?
A. iontrophoresis
Which of the following descriptions is NOT a temporary effect of the positive pole of Galvanic Current?
A. softens tissues
Which of the following statements is NOT true aobut a positive pole of Glavanic Current?
B. opens pores after facial treatment
What type of electrotherapy current is considered superior to Faradic Current therapy because it penetrates more deeply?
a. Tesla
b. direct current
c. Galvanic
d. Sinusoidal
Sinusoidal
Which of the following items would be used during a Faradic Current treatment?
A. indirect method
High Frequency and alternating current are characteristics of which type of electrotherapy?
C. Tesla
A benefit of Tesla Current therapy may include:
D. improved blood circulation
Which of the following benefits is NOT believed to be derived through application of the High Frequency current?
C. decreased rate of metabolism
The maximum amount of current used in a Galvanic treatment should not exceed:
D. 1 milliampere
Tesla treatments should be limited to no more than how many minutes in duration?
C. 5
The chemical breakdown of the skin caused by intense heat is called:
A. psoriasis
The portion of the electromagnetic spectrum that humans can see is called:
D. visible light
White light can be broken down into its individual wavelengths by the use of a:
B. prism
Which type of light can create blue or cool tones?
D. fluorescent
Which of the following types of light carries the most energy?
A. ultraviolet
Which of the following types of light has the shortest wavelengths?
B. ultraviolet
What light creates the closet substitute for natural sunlight?
A. incandescent
Bacteria that cause the skin infections can be killed by which kind of light?
D. ultraviolet
Small doses of ultraviolet light may help the body produce:
D. Vitamin D
Which of the following effects is NOT a benefit of using infrared light during a facial?
