Lab Safety
2 months ago
kboele_00074
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Flammable materials, like alcohol, should never be dispensed near

    answer choices

    an open door

    an open flame

    another student

    a sink

  • Question 2
    30 seconds
    Q.

    Why would you wear goggles in the lab?

    answer choices

    to prevent eye strain

    to improve your vision

    for protection from UV rays

    for protection from chemicals, heat, or glassware

  • Question 3
    30 seconds
    Q.

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

    answer choices

    figure it out as you do the lab

    try several methods until something works

    ask the instructor before proceeding

    skip it and go on to the next part

  • Question 4
    30 seconds
    Q.

    After completing an experiment, all chemical wastes should be

    answer choices

    left at your lab station for the next class

    disposed of according to your instructor's directions

    dumped in the sink

    taken home

  • Question 5
    30 seconds
    Q.

    If a lab experiment is not completed, you should

    answer choices

    discuss options with your instructor

    keep working after the bell to finish up

    sneak in after school and work alone

    come in during lunch and work while finishing your lunch

  • Question 6
    30 seconds
    Q.

    You are heating a substance in a test tube. Always point the open end of the tube

    answer choices

    toward yourself

    toward your lab partner

    toward another classmate

    away from all people

  • Question 7
    30 seconds
    Q.

    When you heat a piece of glass and need to pick it up, you should

    answer choices

    use a rag or paper towels

    pick up the end that looks cooler

    use tongs

    pour cold water on it

  • Question 8
    30 seconds
    Q.

    The first thing you should do if you get injured in the lab is

    answer choices

    tell the instructor immediately

    see a doctor after school

    visit the school nurse after class

    apply first aid yourself

  • Question 9
    30 seconds
    Q.

    When gathering glassware and equipment for an experiment, you should

    answer choices

    use a beaker to drink water

    carry as much as you can at one time

    stack the glassware to carry it

    examine all glassware to check for chips and cracks

  • Question 10
    30 seconds
    Q.

    Personal eyeglasses provide as much protection in a lab as

    answer choices

    a face shield

    safety glasses

    splashproof chemical goggles

    sunglasses

  • Question 11
    30 seconds
    Q.

    Long hair in the laboratory must be

    answer choices

    cut short

    held out of the way with the hand you aren't using

    always neatly groomed

    tied back with a hairband or something similar

  • Question 12
    30 seconds
    Q.

    Which of the following should not be worn in the lab?

    answer choices

    closed toe shoes, hair ties

    watches, short sleeved shirts

    loose clothing, dangling jewelry

    long pants, boots

  • Question 13
    30 seconds
    Q.

    Which of the following footwear is best in the laboratory?

    answer choices

    sandals

    rain boots

    closed-toed shoes

    heels

  • Question 14
    30 seconds
    Q.

    Horseplay or practical jokes in the laboratory are

    answer choices

    always against the rules

    OK

    Acceptable if you are working alone

    Not a big problem as long as there are no injuries

  • Question 15
    30 seconds
    Q.

    If an acid is splashed on your skin, wash at once with

    answer choices

    soap

    oil

    another, weaker acid

    plenty of water

  • Question 16
    30 seconds
    Q.

    When you finish working with chemicals, biological specimens, and other lab substances, always

    answer choices

    treat your hands with lotion

    wash your hands with soap and water

    wipe your hands with a cleansing wipe

    dry your hands with a paper towel

  • Question 17
    30 seconds
    Q.

    True or false: Hot glass looks the same as cold glass

    answer choices

    true

    false

  • Question 18
    30 seconds
    Q.

    True or false: All unauthorized experiments are prohibited.

    answer choices

    true

    false

  • Question 19
    30 seconds
    Q.

    You are allowed to enter the chemical storage area any time you need to get an item

    answer choices

    true

    false

  • Question 20
    30 seconds
    Q.

    True or false: Unfamiliar chemicals can be considered safe unless the instructor tells you otherwise

    answer choices

    true

    false

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