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Basics of Electricity

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Constant and direct current, having a positive and negative pole, that produces chemical changes when it passes through the tissues and fluids of the body.

a)

Tesla high-frequency current

b)

microcurrent

c)

direct current

d)

galvanic current

2.

A form of anaphoresis; process used to soften and emulsify grease deposits (oil) and blackheads in the hair follicles.

a)

cathode

b)

anode

c)

desincrustation

d)

cataphoresis

3.

Process of infusing water-soluble products into the skin with the use of electric current, such as the use of the positive and negative poles of a galvanic machine.

a)

anaphoresis

b)

iontophoresis

c)

Tesla high-frequency current

d)

microcurrent

4.

Rapid and interrupted current, flowing first in one direction and then in the opposite direction; produced by mechanical means and changes directions 60 times per second.

a)

alternating current

b)

direct current

c)

electrode

d)

modalities

5.

Process of fusing an acidic (positive) product into deeper tissues using galvanic current from the positive pole toward the negative pole.

a)

anaphoresis

b)

cataphoresis

c)

direct current

d)

catalysts

6.

Unit that measures the strength of an electric current.

a)

milliampere

b)

ohm

c)

ampere

d)

watt

7.

A medical device that uses multiple colors and wavelengths (broad spectrum) of focused light to treat spider veins, hyperpigmentation, rosacea and redness, wrinkles, enlarged hair follicles and pores, and excessive hair.

a)

invisible light

b)

light therapy

c)

ultraviolet light

d)

intense pulse light

8.

Flow of electricity along a conductor.

a)

direct current

b)

electric current

c)

galvanic current

d)

alternating current

9.

Unit that measures how much electric energy is being used in one second.

a)

volt

b)

watt

c)

ohm

d)

kilowatt

10.

Also known as violet ray; thermal or heat-producing current with a high rate of oscillation or vibration that is commonly used for scalp and facial treatments.

a)

galvanic current

b)

direct current

c)

Tesla high-frequency current

d)

electric current

11.

An extremely low level of electricity that mirrors the body’s natural electrical impulses.

a)

microcurrent

b)

ultraviolet light

c)

light therapy

d)

electrode

12.

Currents used in electrical facial and scalp treatments.

a)

polarity

b)

rectifier

c)

modalities

d)

waveform

13.

Constant, even-flowing current that travels in one direction only and is produced by chemical means.

a)

electric current

b)

alternating current

c)

direct curent

d)

conductor

14.

Also known as phototherapy; the application of light rays to the skin for the treatment of wrinkles, capillaries, pigmentation, or hair removal.

a)

light therapy

b)

anaphoresis

c)

cataphoresis

d)

invisible light

15.

Process of infusing an alkaline (negative) product into the tissues from the negative pole

toward the positive pole.

a)

galvanic current

b)

Tesla high-frequency current

c)

anaphoresis

d)

cataphoresis

16.

Also known as probe; applicator for directing electric current from an electrotherapy device to the client’s skin.

a)

inactive electrode

b)

conductor

c)

converter

d)

electrode

17.

Apparatus that changes alternating current (AC) to direct current (DC).

a)

fuse

b)

modalities

c)

rectifier

d)

converter

18.

Apparatus that changes direct current to alternating current.

a)

anode

b)

ampere

c)

conductor

d)

converter

19.

What type of current flows in a household wiring system?

a)

direct current

b)

alternating current

c)

static current

d)

electromagnetic current

20.

Prevents excessive current from passing through a circuit.

a)

circuit breaker

b)

fuse

c)

grounding

d)

polarity