Chapter 7

Types of Electric Current

100

What electrical term is abbreviated as AC?

A. Alternative current

B. Ampere current

C. Active current

D. Anaphoresis current 

200

What apparatus changes alternative current (AC) to direct current (DC).

A. inductor

B. rectifier

C. generator

D. transformer

300

An insulator or _______ is a substance that does not easily transmit electricity.

A. vaporizer

B. metal

C. nonconductor

D. water

400

The term used to measure the strength of an electric current is ________. 

A. wattage

B. voltage

C. ampere

D. ohm

500

What unit of measure is equivalent to 1/1,000 of an amphere?

A. microampere

B. milliampere

C. kiloampere

D. centiamphere

Electrical Measurements/ Safety Devices

100

The term used for measuring the resistance of an electric current is _______.

A. wattage

B. voltage

C. ampere

D. ohm

200

The term used for measuring how much electric energy is being used in one second is ______.

A. watt

B. Voltage

C. ampere

D. ohm

300

Which safety devices prevent the overheating of electric wires?

A. fuses and busters

B. fuses and circuit breakers

C. circuit breakers and volts

D. fuses and conductors

400

What apparatus conducts electric current from an electrotherapy device to the clients skin?

A. moderator

B. converter

C. electrode

D. rectifier

500

A positive electrode is called an ________

A. anode

B. cathode

C. anion

D. cation

Identify Electrotherapy Modalities

100

Commonly used modalities in beauty and wellness are Tesla high-frequency current, microcurrent, and _______ current.

A. electronic

B. galvanic

C. cathodic

D. anoidal

200

The process of introducing water-soluble products into the skin with the use of electric current is known as _____.

A. iontophoresis

B. desincrustation

C. megaphoresis

D. cataphoresis

300

The current used in facial and scalp treatments is measured in _______.

A. milliamperes

B. ohms

C. volts

D. amperes

400

An electrical appliances used in the salon, spa, or barbershop should be _____ certified. 

A. state board

B. FDA

C. UL

D. OSHA

500

An extremely low level of electricity that mirrors the body's natural electricity impulses is known as ______.

A. galvanic current

B. Tesla high-frequency current

C. microcurrent

D. direct current

Discuss Light Energy

100

Treatment by means of light rays is called light _______.

A. therapy

B. density

C. treatment

D. sensitivity

200

The different types of currents used in facial can scalp treatments are called ________.

A. units

B. AC

C. modalities

D. DC

300

The distance between two successive peaks of electromagnetic waves is called ________.

A. frequency length

B. wavelength

C. low frequency

D. Wave distance

400

Thirty-five percent of natural sunlight is made up of _____.

A. therapeutic light

B. ultraviolet light

C. visible light

D. infrared light

500

Ultraviolet rays, also known as cold light, make up ______ percent of natural light.

A. 5

B. 10

C. 30

D. 60

Visible Spectrum of lightInvisible Spectrum of light

100

The type of light blocked by the ozone layer is _______.

A. UBA

B. UVB

C. UVC

D. ULV

200

UBV is often called the burning light because it is most associated with ________.

A. sterilization

B. lasers

C. microwave ovens

D. sunburns

300

________ are substances that speed up chemical reactions.

A. Catalysis

B. Inverters

C. Amperes

D. Cathodes

400

A GFI products from electrical shock by ______ a circut when there is a leak.

A. diverting

B. interrupting

C. boosting

D. integrating

500

If you drop an electrical appliance in water, you should ______.

A. put it in rice to dry it out

B. have it service by a professional

C. never use it again

D. unplug it by carefully tugging on the cord