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Foundations chapter 7

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  • Which of the following is a good example of an insulator?
    steel
    copper
    wood
    tap water
  • a condition that prohibits certain treatments is called a _____.
    contraindication
  • which of the following is TRUE of ultraviolet light?
    it is hot light
    it has a long wavelength
    it is invisible
    it slows chemical reactions
  • for which of the following would microcurrent be MOST useful?
    removing the natural protective barrier of the skin
    decreasing muscle tone
    slowing healing
    reducing redness and inflamation
  • Which of the following types of effects does electricity exhibit?
    magnetic and chemical
    magnetic and thermal
    magnetic, thermal, chemical
    magnetic
  • 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
    continue using with caution
    unplug the appliance from the wall
    attempt to repair it immediately
  • Why is copper used in electrical wiring and electrical motors?
    it is a good conductor
  • which of the following reactions can be expected when using anaphoresis?
    closing of pores
    decrease in blood supply
    hardening of tissues
    stimulation of nerves
  • Which of the following is an example of a conductor?
    tap water
    glass
    cement
    rubber
  • which of the following is Tesla high-frequency current used for?
    decreasing elimination and absorption
    slowing blood circulation
    decreasing skin metabolism
    improving germicidal action
  • 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
    ampere
    conductor
    circuit breaker
  • which of the following measures the resistance of electrical current?
    an ampere
    an ohm
    a volt
    a watt
  • which type of ligh prompts the skin to produce beneficial vitamin D?
    galvanic light
    infrared light
    fluorescent light
    ultraviolet light
  • Electricity use impacts ______ of the services that beauty professionals offer their clients.
    All
  • Which of the following is TRUE of the poles of an electric current?
    they are either direct or alternating
    they are either positive or negative
    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 is ab indirect current
    it does not produce a chemical change
    it has a positive and negative pole
  • which percentage of natural sunlight is visible, making up the visible spectrum of light?
    35%
    10%
    95%
    70%
  • which of the following types of energy is most likely associated with nulear power plants?
    x-rays
    gamma rays
    microwaves
    radio waves
  • 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 save energy
    it will electrocute the user
  • which of the following is TRUE of fluorescent light?
    it is warmer than natural sunlight
    it is a type of incandescent light
    it is cooler than natural sunlight
    it is a yellow gold light
  • how does energy move through space?
    mechanically
    in waves
    by physical force
    electromagnetically
  • Which of the following is TRUE of electricity and the beauty and wellness industry?
    advanced machines require knowledge of electrical theory
    electricity used in the industry is limited to clippers
    most equipment beauty pros deal with are very dangerous
    most beauty pros wont interact with electricity directly
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