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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
advanced machines require knowledge of electrical theory
most beauty pros wont interact with electricity directly
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
magnetic and thermal
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
steel
wood
tap water
which of the following measures the resistance of electrical current?
a watt
an ampere
a volt
an ohm
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 save energy
it will overheat
it will not power the device
which of the following is an example of an electrical safety device that you may encounter when working in a salon, spa or barbershop?
conductor
ampere
alternating current
circuit breaker
which of the following should you do if you receive a light shock while using an electrical appliance?
give the appliance a short break before using again
attempt to repair it immediately
continue using with caution
unplug the appliance from the wall
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 ab indirect current
it is a broken inconsistent current
it does not produce a chemical change
which of the following reactions can be expected when using anaphoresis?
closing of pores
decrease in blood supply
stimulation of nerves
hardening of tissues
for which of the following would microcurrent be MOST useful?
removing the natural protective barrier of the skin
slowing healing
reducing redness and inflamation
decreasing muscle tone
which of the following is Tesla high-frequency current used for?
decreasing elimination and absorption
improving germicidal action
slowing blood circulation
decreasing skin metabolism
a condition that prohibits certain treatments is called a _____.
contraindication
