Chapter F07 Review

Question 1

What are the properties of direct current?

Answer 1

constant, even flow. Produced by chemical means. Travels in one direction

Question 2

What are the properties of alternating current?

Answer 2

Rapid and interrupted flow, produced by mechanical means, travels in two directions

Question 3

Define volt.

Answer 3

pressure or force that pushes electric current forward through a conductor

Question 4

Define ohm.

Answer 4

resistance of electrical current

Question 5

What is the electricity in your house measured in?

Answer 5

Kilowatts

Question 6

Define watt.

Answer 6

electrical energy used per second

Question 7

What current is used for facial and scalp treatments?

Answer 7

Milliampere

Question 8

Define amp.

Answer 8

strength of an electrical current

Question 10

(T or F) Do not allow two electrical cords to touch while in use.

Answer 10

True

Question 11

(T or F) Study the instructions before using any electrical equipment.

Answer 11

True

Question 12

(T or F) Do not allow electrical cords to become twisted or bent.

Answer 12

True

Question 13

(T or F) Inspect all electrical equipment frequently.

Answer 13

True

Question 14

(T or F) Verify regularly that fire extinguishers are appropriate for electrical fires.

Answer 14

True

Question 15

(T or F) Keep appliances connected when not in use.

Answer 15

False

Question 16

(T or F) Do not attempt to clean around electrical outlets while equipment is unplugged.

Answer 16

False (if you clean the outlets everything must be unplugged)

Question 17

(T or F) Do not allow the client to touch any rubber surfaces while being treated with electrical equipment.

Answer 17

False (rubber is a nonconductor)

Question 18

(T or F) Do not handle electrical equipment with wet hands.

Answer 18

True

Question 19

(T or F) When using electrical equipment, protect the client at all times.

Answer 19

True

Question 20

(T or F) Do not touch two metallic objects at the same time if either is connected to an electric current.

Answer 20

True

Question 21

(T or F) Avoid letting electrical cords dry out.

Answer 21

False

Question 22

(T or F) Do not touch any glass while using and electrical appliance.

Answer 22

False

Question 23

(T or F) If you see sparks when plugging an appliance in, wait 10 seconds before turning the appliance on.

Answer 23

False (you shouldn’t use it until it has been checked by a specialist)

Question 24

(T or F) Do not overload outlets and power strips.

Answer 24

True

Question 25

(T or F) Disconnect appliances by pulling on the cord, not the plug.

Answer 25

False (Pull on the plug)

Question 26

(T or F) Do not stand in the same room while a client is connected to an electrical device.

Answer 26

False

Question 27

(T or F) Repair all wires, plugs, and equipment yourself.

Answer 27

False

Question 28

What are the properties of Tesla high-frequency current?

Answer 28

Named after a Croatian electrical engineer, uses one electrode made of glass or metal, thermal or heat-producing current with a high rate of oscillation

Question 29

What are the properties of microcurrent?

Answer 29

Extremely low level of electricity that mirrows the body's electrical impulses, negative and positive polarity in one probe, current treats only a specific area, does not travel through the body

Question 30

What are the properties of Galvanic current?

Answer 30

produces chemical changes through iontophoresis, constant and direct current using a positive and negative pole, named after an Italian doctor

Question 31

Which is not a modality used in beauty and wellness services? -integrated current -galvanic current -microcurrent -tesla high-frequency

Answer 31

integrated current

Question 32

______ is a process used to soften and emulsify oil and blackheads in hair follicles.

Answer 32

deincrustation

Question 33

__________ is the process that introduces water-soluble products into the skin.

Answer 33

Iontophoresis

Question 34

Which is the applicator used for directing electric current form an electrotherapy device to a client's skin?

Answer 34

probe

Question 35

Microcurrent can restore _______.

Answer 35

elasticity.

Question 36

Anaphoresis ________.

Answer 36

softens tissues

Question 37

Which current would most likely be recommended for a client who is looking for acne healing?

Answer 37

a treatment that uses microcurrent

Question 38

The modalities used in beauty and wellness utilize two electrodes, with the exception of _____, which uses a single electrode.

Answer 38

Tesla high-frequency current

Question 39

which term is used to refer to conditions that prohibit the use of a certain treatment?

Answer 39

contraindication

Question 40

Characteristic(s) of UVB rays.

Answer 40

Associated with sunburns

Question 41

Characteristic(s) of UVA rays

Answer 41

most penetrating UV rays used in tanning booths longest UV rays

Question 42

Characteristc(s) of UVC rays

Answer 42

blocked by the ozone layer kills bacteria

Question 43

What is the measurement of the distance between two wavelengths?

Answer 43

waveform

Question 44

Within the visible spectrum of light, _______ has the shortest wavelength, and __________ has the longest.

Answer 44

violet; red

Question 45

What light is known as "cold light" or "actinic light"?

Answer 45

ultraviolet

Question 46

UV lights prompts the skin to produce ________.

Answer 46

vitamin D

Question 47

Which form of energy in the electromagnetic spectrum is used in nuclear power?

Answer 47

gamma rays

Question 48

________ is effective at killing bacteria, viruses, mold, and other pathogens.

Answer 48

UVC light

Question 49

Natural sunlight is made up of _______ types of light.

Answer 49

three

Question 50

Which light rays are blocked by the ozone layer?

Answer 50

UVC rays

Question 51

Infrared light is __________ penetrating and has _____________ frequency than ultraviolet.

Answer 51

more; lower

Question 52

________ light is considered a neutral visible light.

Answer 52

green