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Which of the following is TRUE of electricity and the beauty and wellness industry?
most equipment beauty pros deal with are very dangerous
advanced machines require knowledge of electrical theory
most beauty pros wont interact with electricity directly
electricity used in the industry is limited to clippers
Electricity use impacts ______ of the services that beauty professionals offer their clients.
All
Which of the following types of effects does electricity exhibit?
magnetic and chemical
magnetic and thermal
magnetic
magnetic, thermal, chemical
Why is copper used in electrical wiring and electrical motors?
it is a good conductor
Which of the following is an example of a conductor?
glass
rubber
cement
tap water
Which of the following is a good example of an insulator?
copper
tap water
steel
wood
which of the following measures the resistance of electrical current?
a volt
a watt
an ohm
an ampere
What is TRUE of wire that is not large enough to carry the electrical current passing through it?
it will electrocute the user
it will not power the device
it will overheat
it will save energy
which of the following is an example of an electrical safety device that you may encounter when working in a salon, spa or barbershop?
ampere
alternating current
conductor
circuit breaker
which of the following should you do if you receive a light shock while using an electrical appliance?
unplug the appliance from the wall
attempt to repair it immediately
give the appliance a short break before using again
continue using with caution
Which of the following is TRUE of the poles of an electric current?
they are either positive or negative
they are either direct or alternating
they are either left or right
they are either conductive or nonconductive
which of the following is TRUE of galvanic current?
it is a broken inconsistent current
it does not produce a chemical change
it has a positive and negative pole
it is ab indirect current
which of the following reactions can be expected when using anaphoresis?
decrease in blood supply
stimulation of nerves
hardening of tissues
closing of pores
for which of the following would microcurrent be MOST useful?
decreasing muscle tone
reducing redness and inflamation
slowing healing
removing the natural protective barrier of the skin
which of the following is Tesla high-frequency current used for?
slowing blood circulation
decreasing skin metabolism
improving germicidal action
decreasing elimination and absorption
a condition that prohibits certain treatments is called a _____.
contraindication
