A Basic Bio Safety Quiz

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A Basic Bio Safety Quiz - Quiz

Biosafety is the prevention of large-scale loss of biological integrity, focusing both on ecology and human health. These prevention mechanisms include conduction of regular reviews of the biosafety in laboratory settings, as well as strict guidelines to follow. Biosafety is used to protect from harmful incidents.

Questions and Answers
  • 1. 

    Some of the differences between a fume hood and a biological safety cabinet (BSC) are that a BSC protects both the user and the material inside the cabinet and that the exhaust is HEPA filtered.

    • A. 

      True

    • B. 

      False

    Correct Answer
    A. True
    Explanation
    A fume hood and a biological safety cabinet (BSC) have some differences. One difference is that a BSC provides protection for both the user and the materials inside the cabinet. This means that the user is shielded from any harmful substances or organisms inside the cabinet. In contrast, a fume hood primarily focuses on protecting the user from hazardous fumes and gases, but does not offer the same level of protection for the materials inside. Additionally, the exhaust in a BSC is HEPA filtered, ensuring that any harmful particles or microorganisms are effectively removed from the air.

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  • 2. 

    PPE is:

    • A. 

      Personal protective equipment

    • B. 

      Public protective equipment

    • C. 

      Possible protective equipment

    • D. 

      All of the above

    Correct Answer
    A. Personal protective equipment
    Explanation
    PPE stands for Personal Protective Equipment, which refers to specialized clothing, gear, or equipment designed to protect individuals from potential hazards or risks in their work environment. It includes items such as helmets, gloves, masks, goggles, and safety shoes. The other options, "Public protective equipment" and "Possible protective equipment," do not accurately describe the purpose or scope of PPE. Therefore, the correct answer is "Personal protective equipment."

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  • 3. 

    Which of the following items is considered sharp?

    • A. 

      Needles

    • B. 

      Scalpels

    • C. 

      Microscopic slides and coverslips

    • D. 

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the items listed in the options (needles, scalpels, microscopic slides, and coverslips) are considered sharp. Needles and scalpels are commonly used in medical procedures and are designed to have a sharp point or edge for precise cutting or puncturing. Microscopic slides and coverslips, although not typically thought of as sharp objects, can still cause injury if mishandled due to their thin and fragile nature. Therefore, all of the listed items can be classified as sharp.

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  • 4. 

    A laboratory working with human cell lines must display the biohazard symbol on areas where the work is performed or materials are stored.

    • A. 

      True

    • B. 

      False

    Correct Answer
    A. True
    Explanation
    The biohazard symbol is required to be displayed in areas where work with human cell lines is performed or materials are stored in a laboratory. This symbol serves as a warning to individuals that there may be potential biological hazards present in that area. It helps to ensure the safety of laboratory personnel and others by alerting them to take necessary precautions and follow proper protocols when entering or working in these areas.

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  • 5. 

    UV light can be utilized as the sole form of decontamination in a biological safety cabinet.

    • A. 

      True

    • B. 

      False

    Correct Answer
    B. False
    Explanation
    UV light cannot be utilized as the sole form of decontamination in a biological safety cabinet. While UV light can be effective in killing certain types of microorganisms, it is not sufficient to completely decontaminate a biological safety cabinet. Other methods, such as regular cleaning, disinfectants, and proper sterilization techniques, are also necessary to ensure thorough decontamination and maintain a safe environment in the cabinet.

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  • 6. 

    Hands should be washed before and after working in a biological safety cabinet.

    • A. 

      True

    • B. 

      False

    Correct Answer
    A. True
    Explanation
    Working in a biological safety cabinet involves handling potentially hazardous materials, such as microorganisms or chemicals. These materials can easily contaminate the hands and pose a risk to both the worker and the environment. By washing hands before and after working in a biological safety cabinet, the worker can minimize the spread of contaminants and ensure personal hygiene. This practice helps to maintain a clean and safe working environment, preventing the potential for cross-contamination and the spread of harmful substances.

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  • 7. 

    Which of the following practices should be utilized when working in a biological safety cabinet?

    • A. 

      Disinfect the work surface of the BSC before and after work

    • B. 

      Disinfect all items which go into and come out of the BSC

    • C. 

      Do not store any items in the BSC

    • D. 

      Allow the BSC to operate before work begins and after work ceases

    • E. 

      All of the above.

    Correct Answer
    E. All of the above.
    Explanation
    When working in a biological safety cabinet (BSC), it is important to follow certain practices to ensure safety. Disinfecting the work surface before and after work helps to prevent contamination. Disinfecting all items going into and coming out of the BSC helps to minimize the risk of spreading pathogens. Not storing any items in the BSC prevents clutter and potential contamination. Allowing the BSC to operate before and after work ensures that the airflow is established and maintained, providing a safe working environment. Therefore, all of the above practices should be utilized when working in a biological safety cabinet.

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  • 8. 

    Which of the following practices are not allowed in the laboratory?

    • A. 

      Eating and Drinking

    • B. 

      Applying Cosmetics

    • C. 

      Handling Contact Lenses

    • D. 

      All of the above.

    Correct Answer
    D. All of the above.
    Explanation
    Eating and drinking, applying cosmetics, and handling contact lenses are all practices that are not allowed in the laboratory. These activities can introduce contaminants into the lab environment, potentially compromising experiments or causing safety hazards. It is important to maintain a clean and controlled environment in the laboratory to ensure accurate and safe scientific work.

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  • 9. 

    It is appropriate to wear two gloves and carry loose tubes in the elevator.

    • A. 

      True

    • B. 

      False

    Correct Answer
    B. False
    Explanation
    Wearing two gloves and carrying loose tubes in an elevator is not appropriate. Wearing two gloves may hinder the ability to grip or handle objects properly, which can be dangerous in a confined space like an elevator. Carrying loose tubes can also be hazardous as they can easily slip or fall, potentially causing injury to oneself or others in the elevator. It is important to prioritize safety and avoid actions that can pose risks in such environments.

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  • 10. 

    When it is hot outside, it is okay to wear shorts and sandals to work in the laboratory.

    • A. 

      True

    • B. 

      False

    Correct Answer
    B. False
    Explanation
    It is not okay to wear shorts and sandals to work in the laboratory, even if it is hot outside. Laboratories have specific safety guidelines and dress codes to protect individuals from potential hazards such as chemicals, sharp objects, or spills. Wearing appropriate clothing, such as long pants and closed-toe shoes, is necessary to ensure personal safety and prevent accidents or injuries in a laboratory setting.

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  • 11. 

    How should biological materials that need to be transported from the lab to another location be handled?

    • A. 

      Wear a lab coat and transport materials in your pocket

    • B. 

      Wear gloves and carry the material in your hands

    • C. 

      Seal materials in a leak-proof, shatter-resistant secondary container

    • D. 

      Cells in cell culture flasks and dishes are fine for transport

    Correct Answer
    C. Seal materials in a leak-proof, shatter-resistant secondary container
    Explanation
    Biological materials that need to be transported from the lab to another location should be handled by sealing them in a leak-proof, shatter-resistant secondary container. This is important to prevent any leakage or breakage of the materials, which could potentially cause contamination or harm. By using a secondary container that is leak-proof and shatter-resistant, the materials can be safely transported without any risk of spills or accidents. This ensures the integrity of the materials and maintains their safety during transportation.

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  • 12. 

    Every lab is required to have both a First Aid kit and a Spill kit.

    • A. 

      True

    • B. 

      False

    Correct Answer
    A. True
    Explanation
    It is necessary for every lab to have both a First Aid kit and a Spill kit because these kits are essential for ensuring the safety of individuals working in the lab. The First Aid kit contains medical supplies and equipment that can be used to provide initial treatment in case of injuries or accidents. The Spill kit, on the other hand, contains materials and tools to handle and clean up chemical spills, which are common in lab environments. Thus, having both kits is crucial for addressing both medical emergencies and chemical spills effectively.

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  • 13. 

    Pipet tips and microcentrifuge tubes can be stored in the biological safety cabinet.

    • A. 

      True

    • B. 

      False

    Correct Answer
    B. False
    Explanation
    Pipet tips and microcentrifuge tubes should not be stored in the biological safety cabinet because they are considered to be non-hazardous waste. The biological safety cabinet is designed to protect the user and the environment from biological hazards, and storing non-hazardous items in it would be unnecessary and potentially wasteful of valuable cabinet space. It is more appropriate to store pipet tips and microcentrifuge tubes in a separate designated area or storage container.

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  • 14. 

    It is okay to wear sandals in the lab as long as you also wear socks.

    • A. 

      True

    • B. 

      False

    Correct Answer
    B. False
    Explanation
    Wearing sandals in the lab is not okay, even if socks are worn. This is because sandals do not provide adequate protection for the feet in a lab environment, where there may be hazardous materials or equipment that can cause injury. Closed-toe shoes are generally required in labs to ensure safety. Therefore, the statement is false.

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  • 15. 

    Which of the following statements about Personal Protective Equipment (PPE) are correct?

    • A. 

      PPE should be worn and stored only inside the laboratory

    • B. 

      PPE should be chosen based upon the work being completed

    • C. 

      Employees utilizing PPE should be properly trained

    • D. 

      All of the above.

    Correct Answer
    D. All of the above.
    Explanation
    All of the statements about Personal Protective Equipment (PPE) mentioned in the options are correct. PPE should be worn and stored only inside the laboratory to ensure that it is readily available when needed and to prevent contamination outside the lab. PPE should also be chosen based on the specific work being performed to provide adequate protection. Lastly, employees using PPE should be properly trained to ensure they know how to use it correctly and effectively.

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