The Lab Safety Quiz Exam!

By Patricia DeNoon
Patricia DeNoon, Middle and High School
Patricia, an experienced educator with over 20 years in education. She taught science in middle and high school for a total of 15 years and currently serves as a testing coordinator at a local high school.
Quizzes Created: 1 | Total Attempts: 533
, Middle and High School
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Questions: 10 | Attempts: 533

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The Lab Safety Quiz Exam! - Quiz

There are many substances found within the lab, and it is essential to ensure they do not get contaminated, and accidents, if any, are avoided at all costs. Do you think you are well equipped to carry out safe lab practices? Take up the quiz to test your knowledge about laboratory safety. So, let's try out the quiz. All the best!


Questions and Answers
  • 1. 

    When should you wear your safety apron or lab coat?

    • A.

      When you feel like it

    • B.

      When instructed by the teacher

    • C.

      Only when working with dangerous chemicals

    • D.

      Never, it's of no use

    Correct Answer
    B. When instructed by the teacher
    Explanation
    Lab coats and aprons are used to protect the clothing during different kinds of labs. Part of lab safety is following directions, listening to your teacher, and following his/her directions is always the safest thing to do.

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  • 2. 

    When is it okay to "horseplay" in the laboratory?

    • A.

      Before the lab starts, it is okay to play with the materials

    • B.

      When our groups is done with the lab, we can play around

    • C.

      Horseplay is fun, we should do it the whole time

    • D.

      Horseplay can be dangerous and distracting and should never be done in class

    Correct Answer
    D. Horseplay can be dangerous and distracting and should never be done in class
    Explanation
    Horseplay or playing around in class should never be done. It is disrespectful to yourself, your fellow classmates, and your teacher. It can also be dangerous and distracting.

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  • 3. 

    When working with a group, what job should I perform?

    • A.

      All of them, you can't trust the rest of the group to do anything

    • B.

      Nothing, let everyone else do the work

    • C.

      The task that I am assigned, everyone should do their fair share and work together

    • D.

      Whatever job I want to do, it's more fun that way

    Correct Answer
    C. The task that I am assigned, everyone should do their fair share and work together
    Explanation
    Working in groups can be difficult. Some people want to take charge and others want to let the rest of the group do all the work. By performing your task, you ensure that you are doing your part and each person is contributing.

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  • 4. 

    Flammable materials, like alcohol, should never be dispensed or used near:

    • A.

      An open door

    • B.

      An open flame

    • C.

      Another student

    • D.

      A sink

    Correct Answer
    B. An open flame
    Explanation
    Flammable materials, like alcohol, should never be dispensed or used near an open flame because they have a low flash point and can easily catch fire or explode when exposed to a source of ignition. The heat from an open flame can ignite the flammable vapors or liquid, leading to a dangerous fire hazard. It is important to ensure that flammable materials are stored and used in a safe environment away from any potential sources of ignition to prevent accidents and injuries.

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  • 5. 

    If a laboratory fire erupts, immediately:

    • A.

      Notify your instructor

    • B.

      Run for the fire extinguisher

    • C.

      Throw water on the fire

    • D.

      Open the windows

    Correct Answer
    A. Notify your instructor
    Explanation
    In the event of a laboratory fire, it is crucial to immediately notify your instructor. This is because the instructor is responsible for ensuring the safety of everyone in the laboratory and will be able to take appropriate action to control the situation. Running for the fire extinguisher may be necessary later on, but notifying the instructor should be the first step to ensure the safety of all individuals present. Throwing water on the fire may not be effective, as it could potentially spread the fire or cause other hazards. Opening the windows may help to ventilate the area, but it should not be the immediate response to a fire.

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  • 6. 

    Approved eye protection devices (such as goggles) are worn in the laboratory

    • A.

      To avoid eye strain

    • B.

      To improve your vision

    • C.

      Only if you don’t have corrective glasses

    • D.

      Any time chemicals, heat or glassware are used

    Correct Answer
    D. Any time chemicals, heat or glassware are used
    Explanation
    Approved eye protection devices (such as goggles) are worn in the laboratory to protect the eyes from potential hazards such as chemicals, heat, or glassware. These devices are designed to create a barrier between the eyes and any harmful substances or objects that may cause injury or damage to the eyes. Therefore, they should be worn whenever there is a risk of exposure to chemicals, heat, or glassware in the laboratory.

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  • 7. 

    If you do not understand a direction or part of a lab procedure, you should

    • A.

      Figure it out as you do the lab

    • B.

      Try several methods until something works

    • C.

      Ask the instructor before proceeding

    • D.

      Skip it and go on to the next part

    Correct Answer
    C. Ask the instructor before proceeding
    Explanation
    When faced with a direction or part of a lab procedure that is unclear or not understood, it is important to ask the instructor before proceeding. This ensures that any confusion or misunderstanding is clarified before continuing with the lab. It is the safest and most responsible approach to take, as it helps to prevent any potential mistakes or accidents that could occur from not fully understanding the instructions.

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  • 8. 

    You want to place a piece of glass tubing into a rubber stopper after the tubing has been fire polished and cooled. This is best done by:

    • A.

      Lubricating the tubing with water or glycerin

    • B.

      Using a towel or cotton gloves for protection

    • C.

      Twisting the tubing and stopper carefully

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    To safely place a piece of glass tubing into a rubber stopper after it has been fire polished and cooled, it is best to lubricate the tubing with water or glycerin. This will reduce friction and make it easier to insert the tubing into the stopper without causing any damage. Additionally, using a towel or cotton gloves for protection is recommended to prevent any injuries or cuts from the sharp edges of the glass. Lastly, twisting the tubing and stopper carefully ensures a secure and tight fit. Therefore, all of the above options are the best practices for this task.

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  • 9. 

    In a laboratory, the following should not be worn:

    • A.

      Loose clothing.

    • B.

      Dangling jewellery.

    • C.

      Sandals

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the above should not be worn in a laboratory because loose clothing can easily catch fire or get caught in equipment, dangling jewellery can get caught in equipment or chemicals, and sandals do not provide adequate foot protection and can lead to injuries from spills or falling objects.

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  • 10. 

    If a piece of equipment is not working properly, stop, turn it off, and tell

    • A.

      The custodian

    • B.

      Your lab partner

    • C.

      Your best friend in the class

    • D.

      The science instructor

    Correct Answer
    D. The science instructor
    Explanation
    In case a piece of equipment is not functioning correctly, it is important to take immediate action. The best course of action would be to stop using the equipment to prevent any further damage or potential harm. Turning it off is also necessary to ensure safety. Finally, informing the science instructor is crucial as they are responsible for supervising the laboratory and have the knowledge and authority to address the issue appropriately.

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Patricia DeNoon |Middle and High School |
Patricia, an experienced educator with over 20 years in education. She taught science in middle and high school for a total of 15 years and currently serves as a testing coordinator at a local high school.

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