Decontamination Process Quiz: Test!

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  • 1/49 Questions

    According to OSHA the use of physical or chemical means to inactivate blood-borne pathogens from a surface is known as:

    • Cleaning
    • Sterilizing
    • Disinfection
    • Decontamination
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About This Quiz

The Decontamination Process Quiz tests knowledge on critical safety protocols for inactivating blood-borne pathogens, defining key terms, and understanding necessary environmental conditions in decontamination areas. It's essential for professionals in health and safety roles.

Decontamination Process Quiz: Test! - Quiz

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  • 2. 

    What is the first step in the decontamination process?

    • Cleaning with detergent

    • Soaking in a disinfection solution

    • Application of a disinfectant

    • Placing into the sterilizer

    Correct Answer
    A. Cleaning with detergent
    Explanation
    The first step in the decontamination process is cleaning with detergent. This step involves removing dirt, organic matter, and other contaminants from the surface or object. Cleaning with detergent helps to physically remove microorganisms and prepares the surface for further disinfection or sterilization steps. It is an essential step in ensuring effective decontamination and reducing the risk of infection or transmission of pathogens.

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  • 3. 

    Microorganisms on contaminated items are referred to as:

    • Antagonists

    • Contaminants

    • Bioburden

    • Infection

    Correct Answer
    A. Bioburden
    Explanation
    Bioburden refers to the microorganisms present on contaminated items. It represents the total number of viable microorganisms, including bacteria, fungi, viruses, and other pathogens, on a surface or in a substance. The term "bioburden" is commonly used in healthcare settings to assess the cleanliness and sterility of medical equipment and supplies. It is important to control and reduce bioburden to prevent the spread of infections and maintain a safe environment.

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  • 4. 

    Which of the following terms refers to disease-producing microorganisms?

    • Pyrogen

    • Pathogen

    • Biofilm

    • Bioburden

    Correct Answer
    A. Pathogen
    Explanation
    A pathogen refers to disease-producing microorganisms. Pathogens are biological agents that can cause infection or disease in their host organisms. They can include bacteria, viruses, fungi, or parasites. These microorganisms have the ability to invade and multiply within the body, leading to various illnesses and health problems. Therefore, the term "pathogen" accurately describes disease-producing microorganisms.

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  • 5. 

    The number of air exchanges in the decontamination area should be:

    • 10

    • 15

    • 20

    • 25

    Correct Answer
    A. 10
    Explanation
    The number of air exchanges in the decontamination area should be 10. This means that the air in the area should be completely replaced with fresh air 10 times per hour. This is important in order to maintain a clean and safe environment, as it helps to remove any contaminants or pollutants from the air and prevent their accumulation. It also helps to ensure that there is a constant supply of fresh air for the people working in the area.

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  • 6. 

    The ventilation system in the decontamination area must be maintained at

    • Positive pressure

    • Neutral pressure

    • Flexible pressure

    • Negative pressure

    Correct Answer
    A. Negative pressure
    Explanation
    In a decontamination area, it is important to maintain negative pressure in the ventilation system. This means that the air pressure inside the area is lower than the pressure outside. This helps to prevent the spread of contaminants or hazardous materials to other areas. By maintaining negative pressure, any airborne particles or gases will be pulled into the decontamination area and filtered out, ensuring the safety of the surrounding environment.

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  • 7. 

    OSHA recommends that contaminated personal clothing be

    • Laundered at the laundromat

    • Laundered at home by the employee

    • Laundered by the facility

    • Throuwn away

    Correct Answer
    A. Laundered by the facility
    Explanation
    OSHA recommends that contaminated personal clothing be laundered by the facility. This is because the facility is equipped with proper procedures and equipment to handle and decontaminate the clothing effectively. Laundering at home by the employee may not ensure proper removal of contaminants, and using a laundromat may pose a risk of cross-contamination to other customers. Throwing away the clothing is not recommended as it can contribute to waste and environmental pollution. Therefore, the facility is the most appropriate option for laundering contaminated personal clothing according to OSHA guidelines.

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  • 8. 

    When a new medical device is brought to the decontamination area by a sales representative what is the first step to take

    • Hand wash the device in an enzymatic soulution

    • Clean the device in the ultrasonic cleaner

    • Ask the representative for verbal instructions

    • Request written instructions from the manufacturer

    Correct Answer
    A. Request written instructions from the manufacturer
    Explanation
    When a new medical device is brought to the decontamination area by a sales representative, the first step to take is to request written instructions from the manufacturer. This is important because written instructions provide detailed information on how to properly clean and decontaminate the device, ensuring that it is safe for use. Verbal instructions may not be sufficient or accurate, and hand washing the device in an enzymatic solution or cleaning it in an ultrasonic cleaner should only be done after following the manufacturer's guidelines. Therefore, requesting written instructions is the most appropriate and necessary first step in this situation.

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  • 9. 

    A solution is consider neutral when the ph is

    • 5

    • 7

    • 9

    • 11

    Correct Answer
    A. 7
    Explanation
    A solution is considered neutral when the pH is 7. This is because pH is a measure of the acidity or alkalinity of a solution, with values below 7 indicating acidity and values above 7 indicating alkalinity. A pH of 7 indicates a balance between acidity and alkalinity, making the solution neither acidic nor alkaline, hence it is considered neutral.

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  • 10. 

    A soulution having a ph of 9 is

    • Alkaline

    • Acidic

    • Concentrated

    • Neutral

    Correct Answer
    A. Alkaline
    Explanation
    A solution with a pH of 9 is alkaline because pH values below 7 indicate acidity, while pH values above 7 indicate alkalinity. Since 9 is greater than 7, it falls into the alkaline range.

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  • 11. 

    Enzyme based detergents contain organic substances that assist in the breakdown of

    • Disinfectants

    • Hard water

    • Magnesium and copper

    • Protein soils and blood

    Correct Answer
    A. Protein soils and blood
    Explanation
    Enzyme-based detergents contain organic substances that assist in the breakdown of protein soils and blood. Enzymes are biological catalysts that speed up chemical reactions, and in this case, they help to break down the proteins present in soils and blood stains. By breaking down these proteins, enzyme-based detergents effectively remove the stains and clean the surfaces.

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  • 12. 

    What is the optimal temp for enzymatic cleaners

    • 100 deg F (38 deg C)

    • 109 deg F (43 deg C)

    • 140 deg F (60 deg C)

    • 155 deg F (68 deg C)

    Correct Answer
    A. 140 deg F (60 deg C)
    Explanation
    Enzymatic cleaners are most effective at temperatures that optimize the activity of the enzymes they contain. The optimal temperature for enzymatic cleaners is typically around 140 degrees Fahrenheit or 60 degrees Celsius. At this temperature, the enzymes are able to work efficiently and break down organic stains and debris effectively. Higher temperatures can denature the enzymes and reduce their effectiveness, while lower temperatures may slow down the enzymatic activity. Therefore, 140 degrees Fahrenheit (60 degrees Celsius) is the recommended temperature for achieving optimal results with enzymatic cleaners.

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  • 13. 

    A proteolytic enzyme detergent breaks down

    • Fat

    • Bone marrow

    • Blood

    • Carbohydrates

    Correct Answer
    A. Blood
    Explanation
    A proteolytic enzyme detergent breaks down blood. Proteolytic enzymes are enzymes that break down proteins. Blood contains proteins such as hemoglobin, clotting factors, and antibodies. When a proteolytic enzyme detergent is used, it can break down these proteins, leading to the breakdown of blood.

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  • 14. 

    Before any item with multiple parts is cleaned it must be

    • Soaked in an enzymatic solution

    • Processed in an ultrasonic cleaner

    • Sprayed with a lipolytic gel

    • Disassembled

    Correct Answer
    A. Disassembled
    Explanation
    Before any item with multiple parts is cleaned, it must be disassembled. This is because disassembling the item allows for a more thorough and effective cleaning process. By taking apart the item, each individual part can be cleaned separately, ensuring that all dirt, debris, and contaminants are removed. Additionally, disassembling the item allows for better access to hard-to-reach areas, ensuring that no part is left uncleaned. Therefore, disassembling the item is an essential step in the cleaning process to ensure optimal cleanliness and functionality of the item.

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  • 15. 

    Which of the following should never be used to remove gross soil on instruments

    • Water

    • Saline

    • Moist rag

    • Enzymatic foam

    Correct Answer
    A. Saline
    Explanation
    Saline should never be used to remove gross soil on instruments because it is a sterile solution of salt and water that is typically used for medical purposes such as cleaning wounds or irrigating body cavities. While saline may be safe for certain applications, it is not effective for removing gross soil or debris from instruments. Instead, a more appropriate option would be water, a moist rag, or enzymatic foam, which are specifically designed for cleaning purposes and can effectively remove gross soil from instruments.

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  • 16. 

    Metal bristled brushes may be used to clean

    • Box locks on hinged instruments

    • Cutting edges of scissors

    • Teeth on vascular forceps

    • Tungsten carbide jaws of needle holders

    Correct Answer
    A. Tungsten carbide jaws of needle holders
    Explanation
    Metal bristled brushes can be used to clean various instruments, including box locks on hinged instruments, cutting edges of scissors, and teeth on vascular forceps. However, the correct answer specifically mentions tungsten carbide jaws of needle holders. Tungsten carbide is a very hard and durable material commonly used in surgical instruments. Cleaning the jaws of needle holders is important to maintain their functionality and prevent contamination. Using metal bristled brushes can effectively remove debris and ensure the cleanliness of the tungsten carbide jaws.

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  • 17. 

    The final rinse in the cleaning process should be performed using

    • Treated water

    • Saline

    • Alcohol

    • Tap water

    Correct Answer
    A. Treated water
    Explanation
    The final rinse in the cleaning process should be performed using treated water because treated water is free from impurities and contaminants. Using treated water ensures that any remaining residue or cleaning chemicals are completely removed from the surface being cleaned. This helps to prevent any potential damage or adverse reactions that could occur if tap water, saline, or alcohol were used for the final rinse.

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  • 18. 

    The mechanical action in the automated cleaning process that uses sound waves and imploding bubbles is called

    • Cavitation

    • Irrigation

    • Passivation

    • Ultrasonics

    Correct Answer
    A. Cavitation
    Explanation
    Cavitation is the correct answer because it refers to the mechanical action in the automated cleaning process that uses sound waves and imploding bubbles. Cavitation occurs when low-pressure areas form in a liquid due to the sound waves, causing bubbles to form and collapse rapidly. This collapse generates high temperatures and pressure, which helps in cleaning surfaces by removing dirt and contaminants.

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  • 19. 

    Prior to processing instruments in an ultrasonic cleaner

    • The water should be changed

    • The temperature of the water should be 75 deg F

    • The gross soil should be removed

    • The instrujments should be placed in a solid metal basket

    Correct Answer
    A. The gross soil should be removed
    Explanation
    Before processing instruments in an ultrasonic cleaner, it is important to remove the gross soil. This is because the ultrasonic cleaner uses high-frequency sound waves to create tiny bubbles in the cleaning solution, which then implode and remove dirt and debris from the instruments. If the gross soil is not removed beforehand, it may interfere with the cleaning process and reduce the effectiveness of the ultrasonic cleaner.

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  • 20. 

    Powered equipment should be

    • Immersed in an enzymatic solution

    • Cleaned with saline

    • Processing in an ultrasonic cleaner

    • Cleaned by hand

    Correct Answer
    A. Cleaned by hand
    Explanation
    The correct answer is "cleaned by hand" because powered equipment should not be immersed in an enzymatic solution or cleaned with saline as it can damage the equipment. Processing in an ultrasonic cleaner may also not be suitable for powered equipment. Cleaning by hand is the safest and most effective method for cleaning powered equipment to ensure proper maintenance and prevent any damage.

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  • 21. 

    Fiberoptic light cables should be cleaned

    • In an ultrasonic cleaner

    • Using a soft cloth and detergent

    • Using a soft cloth soaked with saline

    • In the automeated endoscope reprocessor

    Correct Answer
    A. Using a soft cloth and detergent
    Explanation
    Using a soft cloth and detergent is the correct answer because fiberoptic light cables are delicate and can easily be damaged. Cleaning them with a soft cloth helps to avoid any scratches or other forms of damage. Detergent is used to remove any dirt or debris that may have accumulated on the cables. It is important to use a soft cloth and detergent specifically designed for cleaning fiberoptic cables to ensure their longevity and optimal performance.

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  • 22. 

    Before it is manually cleaned what must be done to a flexible endoscope

    • It must be ultrasonically cleaned

    • Alcohol must be suctioned through all channels

    • It must be brushed with a soft brush

    • It must be tested for leaks

    Correct Answer
    A. It must be tested for leaks
    Explanation
    Before a flexible endoscope is manually cleaned, it must be tested for leaks. This is important to ensure that there are no defects or damages in the endoscope that could affect its functionality or compromise patient safety. Testing for leaks involves checking all the channels and components of the endoscope to ensure that there are no leaks or cracks that could lead to contamination or fluid leakage during use. This step is crucial in maintaining the integrity and effectiveness of the endoscope.

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  • 23. 

    All instruments and devices received from another facility should be

    • Completely reprocessed

    • Used as delivered

    • Rewrapped and sterilized

    • Resterilized as they are received

    Correct Answer
    A. Completely reprocessed
    Explanation
    The correct answer is "completely reprocessed." When instruments and devices are received from another facility, it is important to ensure that they are thoroughly cleaned, disinfected, and sterilized before they can be used again. This process of reprocessing helps to eliminate any potential contaminants or pathogens that may be present on the instruments, ensuring the safety of patients and healthcare providers. Simply using the instruments as delivered or resterilizing them as received may not be sufficient to remove all potential risks, hence the need for complete reprocessing.

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  • 24. 

    What material can be used as a simple test to check the functioning of the ultrasonic cleaner

    • Tyvek

    • Plastic

    • Aluminum foil

    Correct Answer
    A. Aluminum foil
    Explanation
    Aluminum foil can be used as a simple test to check the functioning of the ultrasonic cleaner because it is a thin metal material that is easily affected by ultrasonic waves. When placed in the cleaner, the foil will vibrate and create small waves, indicating that the ultrasonic cleaner is functioning properly. This test helps to ensure that the cleaner is producing the necessary ultrasonic energy to effectively clean items.

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  • 25. 

    The TOSI line of products is used to verify the effectiveness of

    • Steam guns

    • ETO aerators

    • Steam sterilizers

    • Mechanical washer

    Correct Answer
    A. Mechanical washer
    Explanation
    The TOSI line of products is used to verify the effectiveness of a mechanical washer. This suggests that the TOSI line is specifically designed to test and assess the performance of mechanical washers in terms of their ability to clean and sanitize items effectively. While steam guns, ETO aerators, and steam sterilizers may also be used in cleaning and sterilization processes, the correct answer implies that the TOSI line is specifically tailored for mechanical washers.

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  • 26. 

    The process that kills most microorganisms but not necessarily spores is known as

    • Sterilization

    • Deionization

    • High level disinfection

    • Antiseptsis

    Correct Answer
    A. High level disinfection
    Explanation
    High level disinfection is the process that kills most microorganisms but not necessarily spores. Sterilization, on the other hand, is a process that kills all microorganisms, including spores. Deionization is a process that removes ions from a solution. Antiseptics are substances that inhibit the growth of microorganisms on living tissue. Therefore, high level disinfection is the most appropriate answer to the given question.

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  • 27. 

    Which of the following information is not necessary to be recorded on the high level disinfectant record

    • Whether the item was completely dry

    • The results of the MEC test

    • The time at which the item was immeresed in the soulution

    • Confirmation that the item was cleaned

    Correct Answer
    A. Whether the item was completely dry
    Explanation
    The information about whether the item was completely dry is not necessary to be recorded on the high level disinfectant record. This is because the record is primarily concerned with the disinfection process and ensuring that it has been carried out effectively. The dryness of the item does not directly relate to its disinfection and therefore does not need to be recorded.

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  • 28. 

    Which of the following will be noted on an improperly cleaned instrument that has been disinfected in orh phthaldehde

    • Foul odor

    • Moldy coating

    • Blue stain

    • Yellow stain

    Correct Answer
    A. Blue stain
    Explanation
    An improperly cleaned instrument that has been disinfected in ortho-phthalaldehyde may develop a blue stain. Ortho-phthalaldehyde is a disinfectant commonly used in healthcare settings to kill bacteria, viruses, and fungi. However, if the instrument is not properly cleaned before disinfection, organic material such as blood or tissue may react with ortho-phthalaldehyde and cause a blue stain to form. This stain is an indication that the instrument was not adequately cleaned before disinfection.

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  • 29. 

    Which of the following chemicals has regulation requiring employees to be routinely monitored for exosure levels

    • Sodium hypochlorite

    • Glutaraldehyde

    • Ortho phthaldehyde

    • Tincture of iodine

    Correct Answer
    A. Glutaraldehyde
    Explanation
    Glutaraldehyde is the correct answer because it is a chemical that is commonly used as a disinfectant and sterilizing agent in healthcare settings. Due to its potential health hazards, regulations require employees who work with or are exposed to glutaraldehyde to be routinely monitored for their exposure levels. This is done to ensure the safety and well-being of the employees and to prevent any adverse health effects that may result from prolonged or excessive exposure to glutaraldehyde.

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  • 30. 

    Which of the following disinfectants should never be used as an environmental disinfectant

    • Alcohol

    • BLEACH

    • Iodine

    • Glutaraldehyde

    Correct Answer
    A. Glutaraldehyde
    Explanation
    Glutaraldehyde should never be used as an environmental disinfectant because it is a highly toxic chemical that can cause severe irritation to the skin, eyes, and respiratory system. It is primarily used for disinfection of medical equipment and instruments in healthcare settings. However, its use as an environmental disinfectant is not recommended due to its potential harmful effects on humans and the environment.

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  • 31. 

    The ability of a disinfectant to perform correctly depends on

    • How quickly it dries

    • How it is mixed with other cleaning agents

    • Whether it remains wet for the stated amount of time

    Correct Answer
    A. Whether it remains wet for the stated amount of time
    Explanation
    The ability of a disinfectant to perform correctly depends on whether it remains wet for the stated amount of time. This is because disinfectants need a certain amount of contact time with the surface being cleaned in order to effectively kill the pathogens. If the disinfectant dries too quickly or is not able to remain wet for the required duration, it may not be able to effectively eliminate the germs and bacteria present on the surface. Therefore, the wetness of the disinfectant for the specified time is crucial for its proper functioning.

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  • 32. 

    Which level of disinfection is needed for the destruction of HIV

    • High level

    • Intermediate level

    • Low level

    • Sterilization

    Correct Answer
    A. Low level
    Explanation
    Low level disinfection is sufficient for the destruction of HIV. Low level disinfection refers to the process of eliminating most pathogenic microorganisms, including HIV, on non-critical surfaces. It involves using disinfectants that are effective against a wide range of microorganisms but may not kill all types of viruses or bacterial spores. Sterilization, on the other hand, is the highest level of disinfection and completely eliminates all forms of microbial life, including HIV. However, sterilization is not always necessary for the destruction of HIV, making low level disinfection the correct answer in this case.

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  • 33. 

    Using spaulding classification of medical devices a semicritical item requires which form of disinfection

    • Low level

    • High level

    • Santization

    • Sterilization

    Correct Answer
    A. High level
    Explanation
    According to the Spaulding classification of medical devices, a semicritical item requires high-level disinfection. High-level disinfection is a process that eliminates all forms of microorganisms except for high numbers of bacterial spores. This level of disinfection is necessary for semicritical items that come into contact with mucous membranes or non-intact skin, as they have a higher risk of transmitting infection. Low-level disinfection is not sufficient for semicritical items as it only eliminates some bacteria, fungi, and viruses. Sanitization is a lower level of cleaning that reduces the number of microorganisms, but it is not enough for semicritical items. Sterilization, on the other hand, completely eliminates all forms of microorganisms and is typically required for critical items.

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  • 34. 

    The process that kills most microorganisms but not necessrily spores is known as

    • Sterilization

    • Deionization

    • High level disinfection

    • Antiseptsis

    Correct Answer
    A. High level disinfection
    Explanation
    High level disinfection is the correct answer because it is a process that kills most microorganisms, including bacteria, viruses, and fungi, but may not necessarily kill spores. Sterilization, on the other hand, is a process that kills all microorganisms, including spores. Deionization is a process that removes ions from a solution, and antiseptics are substances used to kill or inhibit the growth of microorganisms on living tissue.

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  • 35. 

    Are pyrogens fever producing substances

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Pyrogens are substances that can induce fever in the body. They stimulate the release of certain chemicals in the body, such as cytokines, which in turn cause an increase in body temperature. This immune response is a natural defense mechanism against infections. Therefore, it is correct to say that pyrogens are fever-producing substances.

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  • 36. 

    The basic steps in the cleaning process are

    • Sorting the items to be cleaned

    • Prerising or presoaking the items

    • Washing

    • Rinsing

    • Drying

    • All the above

    Correct Answer
    A. All the above
    Explanation
    The correct answer is "all the above" because the question asks for the basic steps in the cleaning process, and all of the mentioned steps - sorting, prerising or presoaking, washing, rinsing, and drying - are commonly involved in the cleaning process. Therefore, selecting "all the above" encompasses all the necessary steps for cleaning.

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  • 37. 

    Lumen should be thoroughly rinsed with treated water

    • True

    • False

    Correct Answer
    A. True
    Explanation
    It is important to thoroughly rinse the lumen with treated water to ensure that any residue or contaminants are completely removed. This helps to maintain the cleanliness and sterility of the lumen, reducing the risk of infection or other complications.

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  • 38. 

    Ph level of 7 is considered

    • Equal

    • Medium

    • Neutral

    • Above

    Correct Answer
    A. Neutral
    Explanation
    A pH level of 7 is considered neutral because it is neither acidic nor alkaline. The pH scale ranges from 0 to 14, with 7 being the midpoint. Any substance with a pH level of 7 is considered to have a balanced concentration of hydrogen ions (H+) and hydroxide ions (OH-), resulting in a neutral solution. This means that the substance is neither more acidic nor more alkaline, making it neither sour nor bitter in taste.

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  • 39. 

    Ph below 7 is

    • Neutral

    • Acidic

    • Alkaline

    • Equal

    Correct Answer
    A. Acidic
    Explanation
    A pH below 7 indicates acidity. In the pH scale, which ranges from 0 to 14, 7 is considered neutral. Anything below 7 is considered acidic, while values above 7 are alkaline or basic. Therefore, since the given pH is below 7, it is classified as acidic.

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  • 40. 

    Ph avove 7 is

    • Alkaline

    • Acidic

    • Equal

    • Neutral

    Correct Answer
    A. Alkaline
    Explanation
    A pH above 7 indicates that the substance is alkaline. Alkaline substances have a higher concentration of hydroxide ions (OH-) compared to hydrogen ions (H+). This means that they have a higher level of alkalinity and are more basic in nature. In contrast, acidic substances have a pH below 7 and have a higher concentration of hydrogen ions compared to hydroxide ions. Therefore, a pH above 7 is indicative of alkalinity.

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  • 41. 

    Bioburden

    • Contamination

    • Clean

    • Process

    • Dry

    Correct Answer
    A. Contamination
  • 42. 

    Enzymatic detergents

    • Can be used to remove severe stains on stainless steel instruments

    • Contain organic substances that assist in the breakdown of protein soils and blood

    • Are available for removing stubborn soils and stains

    Correct Answer
    A. Contain organic substances that assist in the breakdown of protein soils and blood
    Explanation
    Enzymatic detergents are effective in removing severe stains on stainless steel instruments because they contain organic substances that aid in breaking down protein soils and blood. These organic substances, known as enzymes, have specific properties that allow them to break down complex molecules like proteins into smaller, more manageable fragments. By doing so, they make it easier for the detergent to lift and remove stubborn soils and stains from the stainless steel surface. This is why enzymatic detergents are commonly used in healthcare settings where thorough cleaning and disinfection of instruments is crucial.

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  • 43. 

    Organic acid detergents

    • Contain organic substances that assist in the breakdown of protein soils and blood

    • Remove severe stains on stainless steel instruments

    • Are used in some mechanical washers followed by a neutralizing acid rinse to clean surgical instrumentation

    • Removing stubborn soils and stains

    Correct Answer
    A. Remove severe stains on stainless steel instruments
    Explanation
    Organic acid detergents are effective in removing severe stains on stainless steel instruments. The organic substances present in these detergents aid in breaking down protein soils and blood, which are common types of stains found on surgical instruments. These detergents are often used in mechanical washers, and they are followed by a neutralizing acid rinse to ensure thorough cleaning of the instruments. The combination of organic acids and the mechanical action of the washer helps in removing stubborn soils and stains, particularly on stainless steel surfaces.

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  • 44. 

    Non abrasive cleaning

    • Remove severe stains on stainless steel instruments

    • Are available for removing stubborn soils and stains

    • Used in some mechanincal washers

    • Contain orgainic substances

    Correct Answer
    A. Are available for removing stubborn soils and stains
    Explanation
    The given answer suggests that non-abrasive cleaning methods are available for removing stubborn soils and stains on stainless steel instruments. These methods may involve the use of organic substances and can be used in mechanical washers. This implies that there are alternative cleaning techniques that can effectively remove tough stains without causing any damage or abrasion to the stainless steel surface.

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  • 45. 

    High alkalin detergents

    • Used in some mechanical washers followed by a neutralizing acid rinse to clean surgical instrumentation

    • Remoiving stubborn soils and stains

    • Remove severe stains on stainless steel instruments

    • Orgainc substances that assist in the breakdown of protein soils and blood

    Correct Answer
    A. Used in some mechanical washers followed by a neutralizing acid rinse to clean surgical instrumentation
    Explanation
    The high alkaline detergents are used in some mechanical washers to clean surgical instrumentation. These detergents are effective in removing stubborn soils and stains, including severe stains on stainless steel instruments. They contain organic substances that assist in the breakdown of protein soils and blood. However, after the cleaning process, a neutralizing acid rinse is necessary to ensure that any remaining alkaline residue is neutralized and the instruments are properly cleaned and ready for use.

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  • 46. 

    Enzymatic water temperature of:

    • 140 deg F (60 deg C)

    • 130 deg F (80 deg C)

    Correct Answer
    A. 140 deg F (60 deg C)
    Explanation
    The correct answer is 140 deg F (60 deg C) because enzymatic activity is known to be optimal at a specific temperature range. This temperature range allows the enzymes to function at their highest efficiency, leading to faster and more effective chemical reactions. In this case, the enzymatic water temperature of 140 deg F (60 deg C) is likely to provide the ideal conditions for the enzymes to perform their intended functions. The other option of 130 deg F (80 deg C) is outside the optimal temperature range for enzymatic activity and may result in reduced effectiveness or denaturation of the enzymes.

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  • 47. 

    The ph of the cleaning solution should be between:;

    • 5 and 6

    • 7 and 9

    • 8 and 10

    • 4 and 7

    Correct Answer
    A. 7 and 9
    Explanation
    The pH of the cleaning solution should be between 7 and 9. This is because pH is a measure of acidity or alkalinity, with a pH of 7 being neutral. Cleaning solutions with a pH below 7 are acidic and may be too harsh, causing damage to surfaces. On the other hand, cleaning solutions with a pH above 9 are alkaline and may not effectively remove dirt and grime. Therefore, a pH range of 7 to 9 ensures that the cleaning solution is effective without being too harsh.

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  • 48. 

    Most important step in the econtamination process is:

    • Rinsing

    • Cleaning

    • Drying

    • Blotting

    Correct Answer
    A. Cleaning
    Explanation
    Cleaning is the most important step in the decontamination process because it involves the removal of dirt, grime, and other contaminants from a surface or object. By thoroughly cleaning, any potential harmful substances or bacteria can be eliminated, reducing the risk of contamination. This step prepares the surface or object for further decontamination methods such as rinsing, drying, or blotting, ensuring that the process is effective in removing any remaining contaminants.

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  • 49. 

    Most important step in the cleaning processing:

    • Drying

    • Rinsing

    • Cleaning

    • Blotting

    Correct Answer
    A. Rinsing
    Explanation
    Rinsing is the most important step in the cleaning process because it helps to remove any residue or cleaning agents left on the surface. It helps to ensure that all dirt, grime, and cleaning solutions are thoroughly removed, leaving the surface clean and ready for further treatment or use. Rinsing also helps to prevent any potential damage or discoloration that may occur if the cleaning agents are left on the surface for an extended period. Overall, rinsing is crucial in achieving a thorough and effective cleaning result.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 06, 2013
    Quiz Created by
    Toneisha

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