Chapter 4

  1. Light, heat, chemical and magnetic chages are all produced by:



    A. electricity
  2. The movement of electricity along a conductor is called:



    C. electric current
  3. What is the technical name for any electrically powered appliance?



    C. load
  4. Since silver and copper transport electricity easily, they are called:



    D. conductors
  5. Materials such as glass, rubber, or paper that do not allow electricity to flow through them are called:



    C. insulators
  6. An ampere is a unit of electric:



    D. strength
  7. A volt is a unti of electric:



    C. pressure
  8. Which of the following materials does NOT allow a current to pass through it?



    D. alcohol
  9. A unit of electrical resistance is called a(n)?



    C. ohm
  10. The measure of how difficult it is to push electrons through a conductor is called:



    B. resistance
  11. The measure of how much electrical energy is being used is called a(n):



    B. watt
  12. A constant electrical current flowing in one direction is called a(n):



    C. direct current
  13. What changes direct current into alternating current?



    A. converter
  14. Electric current that flows first in one direction and then the other is called:



    C. alternating current
  15. What changes alternating current into direct current?



    A. rectifier
  16. The power source used most often in a salon is a:



    C. generator
  17. The very minimum ampere rating of a circuit operating a single 1,000-watt blow dryer would be:



    A. 10 ampere
  18. If appliances are causing more current to flow than what the circuit is designed to carry, what could occur?



    B. overloading
  19. A closed path through which electrons travel is referred to as a:



    D. circuit
  20. Which of the following actions would be an example of closing a circuit?



    C. turning on a light switch
  21. Dropping an electrical appliance into water is an example of:



    D. short circuit
  22. What is the name of the device with a fine metal wire running through it which will melt and open the circuit if too much current is flowing through it?



    A. fuse
  23. What is a device used to protect a circuit from being overloaded?



    C. circuit breaker
  24. A special wire used on some appliances for conducting high and sudden flows of electric current out of the appliance is called a:



    B. grounding wire
  25. What type of shock passes through the nervous system?



    A. general
  26. Which of the following methods is NOT recommended for extinguishing an electrical fire?



    B. pour water on it
  27. Curling irons and heat lamps are examples of which type of electrically powered equipment?



    A. thermal
  28. What does a local shock do?



    B. passes through small part of the body
  29. Using electric clippers in cosmetology work would be an example of which kind of electrical effect?



    B. mechanical
  30. Which of the following steps should NOT be followed to break the circuit when a person comes into contact with an electric current?



    B. touch the person to ground the circuit
  31. The application of special electric currents that have certain effects on the skin is known as:



    C. electrotherapy
  32. Which of the following currents is an example of low-voltage direct current and high amps?



    D. Galvanic
  33. In order to apply special currents to the skin, what device is used to reduce the current from a typical 120-volt power source to a level safely handled by the human body?



    D. wall plate
  34. When performing an electrotherapy procedure, what apparatus or current conductor is used to bring the current from the appliance to the clients skin?



    A. electrode
  35. The oldest form of electrotherapy used in the salon is:



    D. Galvanic current
  36. What is the type of current that has an electrochemical effect?



    D. Galvanic
  37. Which of the following statements is NOT true about the anode?



    A. is usually colored black
  38. Which process uses the positive electrode to force negatively charged (alkaline) solutions into the skin without breaking the skin?



    C. anaphoresis
  39. Which process uses the postive electrode to force acidic solutions into the skin without breaking the skin?



    D. cataphoresis
  40. Which of the following statements is NOT true about cataphoresis?



    A. softens tissues and opens pores
  41. What process can use either the negative or positive pole to introduce water-soluble treatment products to the skin?



    A. iontrophoresis
  42. Which of the following descriptions is NOT a temporary effect of the positive pole of Galvanic Current?



    A. softens tissues
  43. Which of the following statements is NOT true aobut a positive pole of Glavanic Current?



    B. opens pores after facial treatment
  44. What type of electrotherapy current is considered superior to Faradic Current therapy because it penetrates more deeply?
    a. Tesla
    b. direct current
    c. Galvanic
    d. Sinusoidal
    Sinusoidal
  45. Which of the following items would be used during a Faradic Current treatment?



    A. indirect method
  46. High Frequency and alternating current are characteristics of which type of electrotherapy?



    C. Tesla
  47. A benefit of Tesla Current therapy may include:



    D. improved blood circulation
  48. Which of the following benefits is NOT believed to be derived through application of the High Frequency current?



    C. decreased rate of metabolism
  49. The maximum amount of current used in a Galvanic treatment should not exceed:



    D. 1 milliampere
  50. Tesla treatments should be limited to no more than how many minutes in duration?



    C. 5
  51. The chemical breakdown of the skin caused by intense heat is called:



    A. psoriasis
  52. The portion of the electromagnetic spectrum that humans can see is called:



    D. visible light
  53. White light can be broken down into its individual wavelengths by the use of a:



    B. prism
  54. Which type of light can create blue or cool tones?



    D. fluorescent
  55. Which of the following types of light carries the most energy?



    A. ultraviolet
  56. Which of the following types of light has the shortest wavelengths?



    B. ultraviolet
  57. What light creates the closet substitute for natural sunlight?



    A. incandescent
  58. Bacteria that cause the skin infections can be killed by which kind of light?



    D. ultraviolet
  59. Small doses of ultraviolet light may help the body produce:



    D. Vitamin D
  60. Which of the following effects is NOT a benefit of using infrared light during a facial?



    A. decreased skin gland secretion
Author
thensley03
ID
138148
Card Set
Chapter 4
Description
Electricity
Updated