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Only People With Perfect Hygiene Can Get A Perfect Score On This Handwashing Quiz

Do you actually know how to wash your hands?

  1. How long should you scrub your hands for, at a minimum?

    Correct! 
    Wrong! 

    20 seconds

    The CDC recommends scrubbing for a full 20 seconds.

  2. What song does the CDC recommend humming TWICE while handwashing to properly measure time?

    Correct! 
    Wrong! 

    "Happy Birthday"

    According to the CDC, humming the tune of "Happy Birthday" two times will get you to the recommended 20 seconds of handwashing.

  3. Is warm or cold water better for washing hands?

    Correct! 
    Wrong! 

    Either is fine!

    Warm or cold — they're equally effective, as long as you wash thoroughly!

  4. Which method of cleaning your hands gets rid of more germs?

    Correct! 
    Wrong! 

    Soap and water

    The CDC notes that washing your hands with soap and water is more effective because hand sanitizer does not get rid of all germs. Still, hand sanitizer can be a great backup if you don't have access to a sink with clean water.

  5. What is the minimum alcohol % that the CDC recommends for hand sanitizers?

    Correct! 
    Wrong! 

    60%

    The CDC recommends hand sanitizers with at least 60% alcohol.

  6. In which of these situations would you NOT need to wash your hands?

    Correct! 
    Wrong! 

    You should wash your hands in all of these situations.

    The CDC lists some other important times to wash your hands here.

  7. Is antibacterial soap better?

    Correct! 
    Wrong! 

    You don't need antibacterial soap.

    The FDA has yet to find evidence that antibacterial soaps are actually more effective at preventing illness. Their overuse may even contribute to antibiotic-resistant bacteria.

  8. Which of these is NOT a part of the hand you need to wash?

    Correct! 
    Wrong! 

    You need to wash all of these!

    According to the CDC, an effective handwashing session involves scrubbing the palms, backs of the hands, between the fingers, and under the nails.