Chapter 4 Actual Test

Question 1

Which of the following is not a temporary effect of the positive pole of Galvanic current?

Answer 1

Softens tissues

Question 2

The average distance an infrared lamp should be placed during a facial is about:

Answer 2

30 in

Question 3

Before using ultraviolet light on a client, the skin or scalp should be:

Answer 3

Cleansed

Question 4

Tesla, a high frequency current, the s known as the:

Answer 4

Violet Ray

Question 5

A unit of electrical resistance is called a(n):

Answer 5

ohm

Question 6

A constant electric current flowing in one direction is called a(n):

Answer 6

Direct current

Question 7

High frequency and alternating current are characteristics of which type of electrotherapy?

Answer 7

Tesla

Question 8

Which of the following breaks the flow of current when an overload occurre?

Answer 8

Circuit breaker

Question 9

What temporary effect will a negative electrode pole produce when applying Galvanic current during an electrotherapy treatment?

Answer 9

Increase in blood flow

Question 10

Any electrical activated by the flow of electric current such as a blow dryer is known as a(n):

Answer 10

Load

Question 11

An ampere is a unit of electric:

Answer 11

Strength

Question 12

Which of the following will produce a mild, stimulating sensation while using High Frequency current?

Answer 12

Slightly separating the electrode from the skin

Question 13

The electrode that is negatively charged during an electrotherapy treatment is known as a(n):

Answer 13

Cathode

Question 14

An alternative current which can be adjusted to different voltages to produce heat is:

Answer 14

High Frequence

Question 15

The application of special currents that have a variety of effects on the skin are called:

Answer 15

Electrotherapy

Question 16

Which of the following is a benefit of using infrared light during a facial?

Answer 16

Increase circulation

Question 17

Bacteria that cause skin infection can be killed by:

Answer 17

Ultraviolet light

Question 18

Which type of light can be broken into its individual wavelengths by a prism?

Answer 18

Combination

Question 19

When using Galvanic current on clients in a salon, what precaution must a cosmetologist take in order to prevent injury to client?

Answer 19

Do not wrap an area having broken capillaries

Question 20

The proses of forcing an acid or alkaline into the skin by applying current to the chemical is called:

Answer 20

Phoresis

Question 21

Faradic current is used chiefly to cause:

Answer 21

Muscle contractions

Question 22

T/F

Cataphoresis introduces water-soluble treatment products into the skin.

Answer 22

False

Question 23

T/F

30% of sunlight is composed of invisible rays beyond red, which are called fluorescent.

Answer 23

False

Question 24

T/F

The wavelengths that produce violet are the shortest in the voidable spectrum.

Answer 24

True

Question 25

T/F

The four types of currents used in electrotherapy are Galvanic, Faradic, Sinusoidal, and direct.

Answer 25

False