Electrical Safety
Which of the following is not an insulator?
-Water
-Rubber
-Silk
-Cement
Water
What are contraindications?
Reasons or conditions for not doing a treatment
In LED therapy, _____ light reduces hyperpigmentation.
What color light?
Green
The unit that measures the resistance of an electric current is a(n):
-Watt
-Kilowatt
-Ohm
-Amp
Ohm
This term is abbreviated W; unit that measures how much electric energy is being used in one second.
Watt
A safety device that switches off a circuit at the first indication of overload is called:
A Circuit Breaker
Which of these is not a benefit of Tesla high frequency current?
-Stimulate blood circulation
-Increases metabolism
-Improves germicidal action
-Stimulate muscle contractions
Stimulate muscle contractions
Which type of UV light is most associated with sunburns?
UVB
Within the visible spectrum of light, the longest wavelength is:
Violet or red?
Red
This term is abbreviated AC; 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.
Alternating Current
Which of the following items does not use direct current?
-Curling Iron
-Cell Phone
-Car Battery
-Flashlight
Curling iron
The different types of electrical current that are used in facial and scalp treatments are called:
-Microcurrents
-Electrotherapies
-Modalities
-Galvanic Currents
Modalities
An applicator used to direct electric current from an electrotherapy device to a client's skin is a(n):
Electrode
Which of the following is NOT an insulator?
-Rubber
-Silk
-Wood
-Copper
Copper
This term is abbreviated DC; constant, even-flowing current that travels in one direction only and is produced by chemical means.
Which of the following is a conductor?
-Alcohol
-Wood
-Cloth
-Copper
Copper
Which of the following is not a term that refers to the object that is used to direct electrical current to a client's skin?
-Converter
-Probe
-Electrode
-Applicator
Converter
Intense pulse light is NOT used to treat:
-Wrinkles
-Spider Veins
-Rosacea
-Clogged Pores
Clogged pores
A substance that does not easily transmit electricity is called a(n) _____ also known as a nonconductor.
Insulator
Ultraviolet (UV) rays applied to the skin during a treatment prompt the skin to produce vitamin ___:
Vitamin D
Which of the following is not among the guidelines you should adhere to when using electrical appliances in the salon?
-Inspect all electrical equipment regularly
-Disconnect all appliances when not in use
-Do not touch two metal objects simultaneously if either is connected to electric current
-Never use two-pronged plugs
Never use two-pronged plugs.
Which of the following is not a modality?
-Direct Current
-Microcurrent
-Galvanic
-Tesla High Freqeuncy
Direct Current
The flow of electricity along a conductor is called:
Electric Current
The unit that measures the strength of the electric current is a(n):
-Amp
-Ohm
-Kilowatt
-Watt
Amp
Deincrustation is used to soften and emulsify oil deposits in hair follicles and treat ___ conditions.
Acne