CSPDT Exam- Low Temperature Sterilization Quiz

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CSPDT Exam- Low Temperature Sterilization Quiz - Quiz

Are you preparing to become a certified sterile processing technician? And how knowledgeable are you in the area of low-temperature sterilization? Well, if you want to get certified in this field, you must clear the CSPDT (Certified Registered Central Service Technician) exam first. This quiz is a sample test which will let you see if you know the basics of this topic or not.


Questions and Answers
  • 1. 

    What is the maximum amount or concentration of a chemical a worker may be exposed to under OSHA regulations?

    • A.

      100%

    • B.

      Sterility Assurance Level (SAL)

    • C.

      Permissible Exposure Limits (PEL)

    • D.

      100ppm (parts per million)

    Correct Answer
    C. Permissible Exposure Limits (PEL)
    Explanation
    Under OSHA regulations, the Permissible Exposure Limits (PEL) specify the maximum amount or concentration of a chemical that a worker may be exposed to. PELs are set for various hazardous substances and are intended to protect workers from the adverse health effects associated with prolonged exposure to these chemicals. The PELs are typically expressed as a time-weighted average (TWA) concentration over an 8-hour workday. It is important for employers to monitor and control the exposure levels to ensure the safety and well-being of their workers.

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  • 2. 

    Hydrogen Peroxide sterilization occurs by a process called ___________.

    • A.

      Thermal Disinfection

    • B.

      Chemical Disinfection

    • C.

      Alkylation

    • D.

      Oxidation

    Correct Answer
    D. Oxidation
    Explanation
    Hydrogen peroxide sterilization occurs by a process called oxidation. Oxidation is a chemical reaction in which a substance loses electrons, resulting in a decrease in its overall charge. In the case of hydrogen peroxide sterilization, the hydrogen peroxide molecule breaks down into water and oxygen, releasing oxygen free radicals. These free radicals are highly reactive and can damage the DNA and proteins of microorganisms, leading to their destruction and sterilization. Therefore, oxidation is the mechanism by which hydrogen peroxide effectively sterilizes surfaces and equipment.

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  • 3. 

    What is the NIOSH parts per million (ppm) limit for Ethylene Oxide (EtO) that is "Immediately Dangerous to Life or Health"?

    • A.

      5ppm

    • B.

      50ppm

    • C.

      500ppm

    • D.

      800ppm

    Correct Answer
    D. 800ppm
    Explanation
    The NIOSH parts per million (ppm) limit for Ethylene Oxide (EtO) that is "Immediately Dangerous to Life or Health" is 800ppm. This means that exposure to Ethylene Oxide at or above this concentration can cause severe health effects or even be fatal. It is important to ensure that exposure to Ethylene Oxide is kept below this limit to protect the health and safety of workers.

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  • 4. 

    What is the chemical formula for Ozone sterilant?

    • A.

      O2

    • B.

      H2O2

    • C.

      O3

    • D.

      O4

    Correct Answer
    C. O3
    Explanation
    Ozone sterilant is a chemical used for sterilizing and disinfecting purposes. Its chemical formula is O3. Ozone is a highly reactive molecule consisting of three oxygen atoms. It is a powerful oxidizing agent and is commonly used in industries and medical settings for its strong disinfecting properties. Ozone sterilant is effective in killing bacteria, viruses, and other microorganisms, making it a popular choice for sterilization processes.

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  • 5. 

    True or False?  All forms of low-temperature sterilization require Aeration at the completion of the cycle.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    False. Not all forms of low-temperature sterilization require aeration at the completion of the cycle. Some methods, such as hydrogen peroxide gas plasma sterilization, do not require aeration. Aeration is the process of removing any residual sterilant gas from the sterilized items before they can be used. However, in some low-temperature sterilization methods, aeration is necessary to ensure that any remaining sterilant gas is safely removed.

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  • 6. 

    What form(s) of low-temperature sterilization require(s) Aeration at the completion of the cycle? (check all that apply)

    • A.

      Hydrogen Peroxide (H2O2)

    • B.

      Ethylene Oxide

    • C.

      Ozone

    • D.

      Liquid Chemical

    Correct Answer
    B. Ethylene Oxide
    Explanation
    Ethylene oxide is a form of low-temperature sterilization that requires aeration at the completion of the cycle. This is because ethylene oxide is a toxic gas that needs to be removed from the sterilized items before they can be used safely. Aeration involves exposing the sterilized items to fresh air or circulating air to remove any remaining traces of the gas. This process ensures that the sterilized items are free from any harmful residue and are safe for use.

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  • 7. 

    What form of matter is Hydrogen Peroxide Gas Plasma?

    • A.

      Solid

    • B.

      Liquid

    • C.

      Gas

    • D.

      Gas Plasma is its own state of matter, distinguishable from solid, liquid or gas.

    Correct Answer
    D. Gas Plasma is its own state of matter, distinguishable from solid, liquid or gas.
    Explanation
    Gas Plasma is a distinct state of matter that is different from solid, liquid, or gas. It is formed when a gas is heated to a very high temperature or exposed to a strong electromagnetic field, causing its atoms to ionize and become highly charged. In the case of Hydrogen Peroxide Gas Plasma, it refers to the state of hydrogen peroxide when it is in a highly charged and ionized form. Therefore, the correct answer is Gas Plasma.

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  • 8. 

    True or False?  Radio frequency energy ionizes the hydrogen peroxide to create a "gas plasma" state.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Radio frequency energy can indeed ionize the hydrogen peroxide molecules, causing them to break apart and form a "gas plasma" state. This process is commonly used in plasma sterilization systems, where the gas plasma is generated to effectively kill microorganisms on medical equipment and other surfaces.

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  • 9. 

    Paper/plastic peel pouches are compatible with hydrogen peroxide sterilizers.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Paper/plastic peel pouches are not compatible with hydrogen peroxide sterilizers. Hydrogen peroxide sterilizers require materials that are able to withstand the high temperatures and pressures involved in the sterilization process, which paper/plastic peel pouches are not designed for. Therefore, the statement is false.

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  • 10. 

    This biological is used to test Ethylene Oxide sterilizers.

    • A.

      Bacillus atrophaeus

    • B.

      Bacillus megaterium

    • C.

      Geobacillus stearothermophilus

    • D.

      Geobacillus thermoleovorans

    Correct Answer
    A. Bacillus atrophaeus
    Explanation
    Bacillus atrophaeus is used to test Ethylene Oxide sterilizers.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 01, 2021
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    Themes
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