CRCST Chapter 9 (8th Edition) Review Quiz

15 Questions | Total Attempts: 10777

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CRCST Chapter 9 (8th Edition) Review Quiz - Quiz

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Questions and Answers
  • 1. 
    This low-level disinfection is incompatible with soap.
    • A. 

      Alcohol

    • B. 

      Phenol

    • C. 

      Quaternary ammonium compounds

    • D. 

      Ortho-phthalaldehyde

  • 2. 
    When using glutaraldehyde, technicians should always wear latex gloves for protection.
    • A. 

      True

    • B. 

      False

  • 3. 
    When using high-level disinfectants it is important to remember they may be deactivated by
    • A. 

      Alkylation.

    • B. 

      Organic matter.

    • C. 

      Oxidation.

    • D. 

      All the above.

  • 4. 
    In an automated washer the key source of disinfection is
    • A. 

      Hydrogen peroxide.

    • B. 

      Water temperature.

    • C. 

      Heat.

    • D. 

      Disinfecting detergent.

  • 5. 
    The use of test strips to test the minimum effective concentration in high-level disinfection solutions is required
    • A. 

      Weekly, preferably daily.

    • B. 

      Daily.

    • C. 

      Each time the solution will be used.

    • D. 

      Only when manual soaking systems are used.

  • 6. 
    The use of heat to kill all microorganisms, except spores, is called
    • A. 

      Sterilization.

    • B. 

      Thermal disinfection

    • C. 

      High-level disinfection.

    • D. 

      Mechanical disinfection.

  • 7. 
    These chemicals are used on animate (living tissue) to slow the growth of microorganisms.
    • A. 

      Glutaraldehydes

    • B. 

      Disinfectants

    • C. 

      Halogens

    • D. 

      Antiseptics

  • 8. 
    Items that are introduced directly into the bloodstream or other normally sterile areas of the body are classified as
    • A. 

      Critical items.

    • B. 

      Semi-critical items.

    • C. 

      Non-critical items.

    • D. 

      Equipment.

  • 9. 
    The process by which all forms of microorganisms are completely destroyed is
    • A. 

      High-level disinfection.

    • B. 

      Thermal disinfection.

    • C. 

      Sterilization.

    • D. 

      Chemical disinfection.

  • 10. 
    Iodophors are a member of this chemical family.
    • A. 

      Halogens

    • B. 

      Quaternary ammonium compounds

    • C. 

      Alcohol

    • D. 

      Phenolics

  • 11. 
    Phenolics are classified as
    • A. 

      Intermediate to low-level disinfectants.

    • B. 

      Intermediate to high-level disinfectants.

    • C. 

      High-level disinfectants.

    • D. 

      Sterilants.

  • 12. 
    Which of the following are classified as high-level disinfectants?
    • A. 

      Glutaraldehyde and phenolics

    • B. 

      Glutaraldehyde and ortho-phthalaldehydes

    • C. 

      Quaternary ammonium compounds and phenolics

    • D. 

      Halogens and ortho-phthalaldehydes

  • 13. 
    Thermal disinfection is accomplished using
    • A. 

      Heated chemicals.

    • B. 

      Heated glurataldehyde.

    • C. 

      Prolonged high pressure steam.

    • D. 

      Heat.

  • 14. 
    How long must alcohol remain in wet contact with an item to achieve a reasonable level of disinfection?
    • A. 

      One to two minutes

    • B. 

      Two to three minutes

    • C. 

      Five to 10 minutes

    • D. 

      10 to 20 minutes

  • 15. 
    Which of the following would be the best choice for high-level disinfection of instruments?
    • A. 

      Phenolics

    • B. 

      Chlorine

    • C. 

      Iodophors

    • D. 

      Ortho-phthalaldehydes

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