1.
The longest wavelengths in the visible spectrum are:
A. 
B. 
C. 
D. 
2.
Which of the following is also known as actinic rays?
A. 
B. 
C. 
D. 
3.
The process of forcing an acid or alkali into the skin by applying current to the chemical is called:
A. 
B. 
C. 
D. 
4.
Which electrotherapy treatment can cause sebum to be broken down or blackheads to be liquefied, as in deeep-pore cleansing?
A. 
B. 
C. 
D. 
5.
If the client is holding the active electrode while the cosmetologist manually stimulates the area being treated, what method of Tesla Current is being used?
A. 
B. 
C. 
D. 
6.
Which of the following is a benefit of using infrared light during a facial?
A. 
B. 
C. 
D. 
7.
Bacteria that causes skin infections can be killed by:
A. 
B. 
C. 
D. 
8.
A volt is a unit of electric:
A. 
B. 
C. 
D. 
9.
Which is NOT a way for heat to be transferred from one object to another?
A. 
B. 
C. 
D. 
10.
Tesla, a high frequency current, is known as the:
A. 
B. 
C. 
D. 
11.
A constant electric current flowing in one direction is called a(n):
A. 
B. 
C. 
D. 
12.
How many milliamperes equal one ampere?
A. 
B. 
C. 
D. 
13.
Before using ultraviolet light on a client, the skin or scalp should be:
A. 
B. 
C. 
D. 
14.
Which of the following materials does NOT allow a current to pass through it?
A. 
B. 
C. 
D. 
15.
Light, heat, chemical and magnetic changes are all produced by:
A. 
B. 
C. 
D. 
16.
A ampere is a unit of electric:
A. 
B. 
C. 
D. 
17.
High Frequency and alternating current are characteristics of which type of electrotherapy?
A. 
B. 
C. 
D. 
18.
Any electrical appliance activated by the flow of electric current such as a blow dryer is known as a(n):
A. 
B. 
C. 
D. 
19.
Which of the following devices breaks the flow of current when an overload occurs?
A. 
B. 
C. 
D. 
20.
Materials that don't allow electricity to floe through them are called:
A. 
B. 
C. 
D. 
21.
What temporary effect will a negative electrode pole produce when applying Galvanic Current during an electrotherapy treatment?
A. 
B. 
Expansion of nerve tissues
C. 
Contraction of blood vessels
D. 
Production of an acid reaction
22.
The application of special currents (or modalities) that have a variety of effects on the skin is called:
A. 
B. 
C. 
D. 
23.
Material that best transports electricity is a(n):
A. 
B. 
C. 
D. 
24.
Which type of light can be broken into its individual wavelengths by a prism?
A. 
B. 
C. 
D. 
25.
Faradic Current is used chiefly to cause:
A. 
B. 
C. 
D.