Water Purification Process Quiz! Trivia

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| By SamanthaBuechler
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SamanthaBuechler
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Quizzes Created: 11 | Total Attempts: 45,644
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  • 1/16 Questions

    Which of the following can be removed from the water when a reverse osmosis process is used?

    • Bacteria
    • Pyrogens
    • Endotoxins
    • All of the above
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About This Quiz

Are you familiar with the water purification process and can pass this quiz? Water purification removes dangerous chemicals, biological containments, suspended solids, and gases from water. The ambition is to produce water that is safe for humans and animals. The water is made to be suitable for specific purposes. Take this quiz and see what you believe you know about the water purification process.

Water Purification Process Quiz! Trivia - Quiz

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  • 2. 

    Which of the following techniques for brushing instruments should be used?

    • Brushing should be done under water

    • Brushing should be done above water

    • Brushing should be done against the grain of the device

    • Brushes made of wire are the best because of their exceptional cleaning ability

    Correct Answer
    A. Brushing should be done under water
    Explanation
    Brushing should be done under water because it helps to remove debris and prevent the spread of contaminants. Water acts as a lubricant, allowing the brush to glide smoothly and effectively clean the instrument's surface. It also helps to reduce the generation of aerosols, which can contain harmful microorganisms. Additionally, brushing under water helps to prevent the scattering of debris and contaminants into the air, promoting a safer and more hygienic environment.

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  • 3. 

    Which of the following is a system used to treat the final rinse water used for cleaning?

    • Water conductivity

    • Sanitization

    • Deionization

    • Sterilization

    Correct Answer
    A. Deionization
    Explanation
    Deionization is a system used to treat the final rinse water used for cleaning. It involves removing ions and impurities from the water, resulting in a high-purity water that is suitable for various applications, including cleaning. Deionization is achieved through the use of ion exchange resins that attract and remove ions from the water, leaving it free from contaminants. This process is commonly used in industries where high-quality water is required, such as electronics manufacturing, pharmaceuticals, and laboratory settings.

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  • 4. 

    Purified water should have a ph of _____

    • 4.5-5.5

    • 5.5-6.5

    • 6.5-7.5

    • 7.5-8.5

    Correct Answer
    A. 6.5-7.5
    Explanation
    Purified water should have a pH of 6.5-7.5. This range is considered neutral or slightly acidic. Water with a pH below 6.5 may indicate the presence of acidic impurities, while a pH above 7.5 may indicate the presence of alkaline impurities. Maintaining a pH within this range ensures that the water is free from any significant impurities and is safe for consumption.

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  • 5. 

    Water that is turbid is__________

    • Hot

    • Tepid

    • Clear

    • Cloudy

    Correct Answer
    A. Cloudy
    Explanation
    Turbid water refers to water that is cloudy or murky due to the presence of suspended particles or impurities. These particles scatter light, making the water appear cloudy. Therefore, the correct answer is "cloudy."

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  • 6. 

    The main purpose of manual cleaners is to

    • Kill microorganisms

    • Removing soil

    • Reduce cleaning costs

    • Provide back ups if automated equipment is not working

    Correct Answer
    A. Removing soil
    Explanation
    The main purpose of manual cleaners is to remove soil. Manual cleaners are typically used in situations where automated equipment is not available or not suitable, such as small or hard-to-reach areas. They are designed to physically remove dirt, debris, and other contaminants from surfaces, ensuring cleanliness and hygiene. While manual cleaning may also help in reducing cleaning costs compared to using automated equipment, the primary focus is on the removal of soil to maintain a clean environment.

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  • 7. 

    Tap water should ideally have a chloride concentration of ______ ppm or less.

    • 200

    • 150

    • 100

    • 50

    Correct Answer
    A. 100
    Explanation
    Tap water should ideally have a chloride concentration of 100 ppm or less. This is because high levels of chloride in tap water can cause a salty taste and can also be harmful to human health. Chloride can corrode pipes and plumbing fixtures, leading to costly repairs. Additionally, excessive chloride in water can have negative effects on aquatic life and plants. Therefore, it is recommended to keep the chloride concentration in tap water below 100 ppm for optimal quality and safety.

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  • 8. 

    Multi-enzymatic cleaning products containing lipase are useful for cleaning________

    • Protein soils

    • Starches

    • Fats

    • Sugars

    Correct Answer
    A. Fats
    Explanation
    Multi-enzymatic cleaning products containing lipase are useful for cleaning fats because lipase is an enzyme that specifically breaks down fats. Lipase catalyzes the hydrolysis of fats into fatty acids and glycerol, making it effective in removing fatty residues and stains. Therefore, using multi-enzymatic cleaning products with lipase can help effectively clean and remove fats from surfaces or objects.

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  • 9. 

    Bluish or rainbow type stains are caused by _______ in water.

    • Chloride and solids

    • Iron and silicates

    • Calcium

    • Fluoride

    Correct Answer
    A. Iron and silicates
    Explanation
    Bluish or rainbow type stains in water are caused by the presence of iron and silicates. Iron can oxidize in water, forming reddish-brown rust stains, while silicates can create bluish or rainbow-like stains. These substances can be naturally present in water sources or can result from corroded pipes or plumbing systems.

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  • 10. 

    The ideal level of silicates in water used for cleaning is _____ ppm or less.

    • 200

    • 150

    • 100

    • 50

    Correct Answer
    A. 100
    Explanation
    The ideal level of silicates in water used for cleaning is 100 ppm or less. Silicates can cause streaks and spots on surfaces, especially glass, when present in high concentrations. Therefore, it is recommended to keep the silicate level below 100 ppm to ensure effective cleaning without leaving any residue or marks.

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  • 11. 

    Water purification usually involves the use of a_____________

    • Pre-filter

    • Post-filter

    • Pre-filter or post-filter

    • Pre-filter and post-filter

    Correct Answer
    A. Pre-filter and post-filter
    Explanation
    Water purification typically involves the use of both a pre-filter and a post-filter. A pre-filter is used to remove larger particles and impurities from the water before it enters the main purification system. This helps to protect the main filter and improve its efficiency. On the other hand, a post-filter is used to further remove any remaining impurities and improve the taste and quality of the purified water. By using both pre-filter and post-filter, the water purification process becomes more effective in removing contaminants and providing clean and safe drinking water.

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  • 12. 

    The process or pre-cleaning should begin

    • As soon as devices reach the central service area

    • Immediately after the completion of an invasive procedure

    • Immediately after instruments are inspected

    • Before items are sorted

    Correct Answer
    A. Immediately after the completion of an invasive procedure
    Explanation
    The correct answer is immediately after the completion of an invasive procedure. This is because after an invasive procedure, there is a higher risk of contamination and infection. Therefore, it is crucial to start the pre-cleaning process immediately to remove any potential pathogens or debris from the instruments used during the procedure. This helps to ensure the safety and effectiveness of the instruments for future use.

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  • 13. 

    Water softeners are used to remove____ in the water.

    • Iron and pyrogens

    • Silicates and pyrogens

    • Chloride and iron

    • Calcium and magnesium

    Correct Answer
    A. Calcium and magnesium
    Explanation
    Water softeners are used to remove calcium and magnesium from the water. Calcium and magnesium are minerals that cause water hardness. Hard water can lead to scale buildup in pipes and appliances, reduce the effectiveness of soaps and detergents, and leave spots on dishes and fixtures. Water softeners use ion exchange to replace calcium and magnesium ions with sodium or potassium ions, resulting in softened water that is less likely to cause these issues.

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  • 14. 

    Which of the following kills microorganisms?

    • Soaps

    • Detergents

    • Germicidal detergents

    • Enzyme presoaks

    Correct Answer
    A. Germicidal detergents
    Explanation
    Germicidal detergents are specifically designed to kill microorganisms. These detergents contain active ingredients that have antimicrobial properties, effectively eliminating bacteria, viruses, fungi, and other harmful microorganisms. Unlike regular soaps and detergents, germicidal detergents are formulated to provide a higher level of disinfection and are commonly used in healthcare settings, laboratories, and other environments where controlling the spread of infections is crucial. Enzyme presoaks, on the other hand, are typically used to break down organic matter and stains but may not have the same level of antimicrobial activity as germicidal detergents.

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  • 15. 

    Deionized water is used for

    • Sterile irrigation

    • Heating/cooling therapy units

    • Injection

    • Steam sterilizers

    Correct Answer
    A. Heating/cooling therapy units
    Explanation
    Deionized water is used for heating/cooling therapy units because it is free from impurities and minerals. Impurities and minerals in regular tap water can cause buildup and damage to the heating/cooling elements of therapy units. Deionized water, on the other hand, has been purified to remove these impurities, making it safe and ideal for use in therapy units without the risk of damage or contamination.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 15, 2012
    Quiz Created by
    SamanthaBuechler
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