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