Study

Electricity

  •   0%
  •  0     0     0

  • The use of electrical currents to treat the skin is commonly referred to as ___.
    electrotherapy
  • What is the movement of electrons from one atom to another along a conductor?
    electricity
  • What are two types of electric current?
    direct and alternating
  • What is the process of infusing water-soluble products into the skin using electric current?
    iontophoresis
  • What part of the electromagnetic spectrum has rays that penetrate more deeply and produce more heat than visible light?
    infrared light
  • Light therapy is known as ___.
    phototherapy
  • The path of an electric current from the generating source through the conductors and back to the original source is a(n) ___ electric circuit.
    complete
  • What unit measures the strength of an electric current?
    ampere
  • What is a type of cold light that is blocked by the ozone layer?
    UVC
  • The current for facial and scalp treatments is measured in ___.
    milliamperes
  • What is another name for materials that are nonconductors?
    insulators
  • What is the shortest and least penetrating light of the electromagnetic spectrum?
    ultraviolet light
  • Currents used in electrical facial and scalp are called ___.
    modalities
  • What general term refers to a color component within the skin such as blood or melanin?
    chromophore
  • What term refers to an extremely low level of electricity that mirrors the body's natural electrical impulses?
    microcurrent
  • All the electrical appliances you use should be ___ certified.
    UL
  • What is another term for Tesla high-frequency current?
    violet ray
  • What unit measures the resistance of an electric current?
    ohm
  • Which material is a good conductor of electricity?
    copper
    silk
    rubber
    glass
  • Rubber, silk, wood, and glass are common examples of ___.
    insulators
  • It is estimated that one in five Americans will develop skin cancer and that 90 percent of those cancers will be the result of exposure to ___.
    UV radiation
  • A measurement of how much electricity is being used in one second is a(n) ___.
    watt
  • What term refers to a form of anaphoresis used to treat acne, milia, and comedones?
    desincrustation
  • When working with electricity, appliances with a ___ offer the most protection for you and your clients.
    three-prong plug
  • What term refers to the distance between two successive peaks of electromagnetic waves?
    wavelength
  • The unit that measures the pressure or force that pushes the flow of electrons forward through a conductor is a(n) ___.
    volt