Electricity

Question 1

Which of the following measures the resistance of electrical current?

Answer 1

Ohm

Question 2

Which of the following is a good example of an insulator?

Answer 2

Wood

Question 3

Which of the following types of effects does electricity exhibit?

Answer 3

magnetic, thermal, and chemical

Question 4

Which of the following BEST differentiates between direct current and alternating current?

Answer 4

Direct current flows in one direction, whereas alternating current flows back and forth.

Question 5

Which of the following is TRUE of electricity?

Answer 5

It does not occupy space or have mass.

Question 6

In which of the following locations would a GFI MOST likely be required?

Answer 6

a bathroom

Question 7

The third circular electrical connection on a three-prong plug is called a ____

Answer 7

Grounding pin

Question 8

What does a watt measure?

Answer 8

how much electric energy is being used in one second

Question 9

Which of the following is an electrical safety device that is designed to prevent excessive current from passing through a circuit by blowing out or melting when a wire becomes too hot from overloading the circuit with too much current?

Answer 9

A fuse

Question 10

Which of the following reactions can be expected when using anaphoresis?

Answer 10

a stimulation of nerves

Question 11

Which of the following reactions can be expected when using cataphoresis?

Answer 11

A closing of pores

Question 12

Which of the following BEST differentiates a positive electrode from a negative electrode?

Answer 12

The positive electrode is called an anode; the negative electrode is called a cathode.

Question 13

Which of the following is used as an applicator for directing electric current from an electrotherapy device to the client’s skin?

Answer 13

an electrode

Question 14

For which of the following would microcurrent be MOST useful?

Answer 14

reducing redness and inflammation

Question 15

Which of the following is Tesla high-frequency current used for?

Answer 15

improving germicidal action

Question 16

Which of the following is TRUE of a galvanic current?

Answer 16

It has a positive and a negative pole

Question 17

Cathode

Answer 17

Is negative and black

Question 18

Anode

Answer 18

Is positive and red

Question 19

Cataphoresis Function:

Answer 19

penetrate acidic substance anode is active during this

Question 20

Desincrustation Function

Answer 20

saponification with alkaline cathode is active

Question 21

Anaphoresis Function

Answer 21

penetrate alkaline substance cathode is active

Question 22

Which of the following is TRUE of infrared light?

Answer 22

It produces heat

Question 23

Which of the following BEST differentiates between long wavelengths and short wavelengths?

Answer 23

Long wavelengths have low frequency; short wavelengths have high frequency

Question 24

Which of the following types of energy is most likely associated with nuclear power plants?

Answer 24

Gamma rays

Question 25

Which percentage of natural sunlight is visible, making up the visible spectrum of light?

Answer 25

35%

Question 26

Which type of light prompts the skin to produce beneficial vitamin D?

Answer 26

Ultraviolet light

Question 27

Light therapy is also known as _

Answer 27

Phototherapy

Question 28

How does energy move through space?

Answer 28

In waves