Milady Standard Barbering Exam
Review: CH 8. Basics of Electricity
Q&A
In modern electric circuits, which of the following has replaced fuses and can be
reset? - Answer-Circuit Breakers
All electrical appliances must have at least two electrical connections. One
connection is ______ and the other is _______ ? - Answer-Neutral and Live
How should you disconnect an appliance? - Answer-By pulling on the plug
Which of the following should you not touch while using an electrical appliance? -
Answer-Metal
_______ indicates the negative or positive pole of an electric current? - Answer-
Polarity
What type of current is a DC, using a negative and a positive pole, that is reduced to
a safe, low- voltage level? - Answer-Galvanic
What process introduces water- soluble products into the skin? - Answer-
Iontophoresis
During what process is galvanic current used to create a chemical reaction that acts
to emulsify the sebum and waste in the pores? - Answer-Desincrustation
What effect can microcurrents produce? - Answer-Restore Elasticity
What current is commonly called the violet ray and is used for both scalp and facial
treatments? - Answer-Tesla- High Frequency
Gamma rays are used? - Answer-For nuclear power plants
Which light rays are used in ultraviolet germicidal irradiation to inactivate or destroy
microorganisms? - Answer-UVC Rays
In the field of barbering, we are concerned with the invisible rays found at the two
ends of the visible spectrum of light: Infrared rays, which produce heat, and
ultraviolet rays, which produce__________? - Answer-Chemical and germicidal
reactions
Within the visible spectrum of light, ________ has the shortest wavelength and
________ has the longest. - Answer-Violet ; Red
What light is also known as cold light or actinic light? - Answer-Ultraviolet
Review: CH 8. Basics of Electricity
Q&A
In modern electric circuits, which of the following has replaced fuses and can be
reset? - Answer-Circuit Breakers
All electrical appliances must have at least two electrical connections. One
connection is ______ and the other is _______ ? - Answer-Neutral and Live
How should you disconnect an appliance? - Answer-By pulling on the plug
Which of the following should you not touch while using an electrical appliance? -
Answer-Metal
_______ indicates the negative or positive pole of an electric current? - Answer-
Polarity
What type of current is a DC, using a negative and a positive pole, that is reduced to
a safe, low- voltage level? - Answer-Galvanic
What process introduces water- soluble products into the skin? - Answer-
Iontophoresis
During what process is galvanic current used to create a chemical reaction that acts
to emulsify the sebum and waste in the pores? - Answer-Desincrustation
What effect can microcurrents produce? - Answer-Restore Elasticity
What current is commonly called the violet ray and is used for both scalp and facial
treatments? - Answer-Tesla- High Frequency
Gamma rays are used? - Answer-For nuclear power plants
Which light rays are used in ultraviolet germicidal irradiation to inactivate or destroy
microorganisms? - Answer-UVC Rays
In the field of barbering, we are concerned with the invisible rays found at the two
ends of the visible spectrum of light: Infrared rays, which produce heat, and
ultraviolet rays, which produce__________? - Answer-Chemical and germicidal
reactions
Within the visible spectrum of light, ________ has the shortest wavelength and
________ has the longest. - Answer-Violet ; Red
What light is also known as cold light or actinic light? - Answer-Ultraviolet
