Answers to Yesterday’s Quiz

1. The answer is c, 2 hours. Some studies have shown that bacteria and viruses can live on doorknobs, desktops and surfaces for up to two hours.

Germs in general tend to like areas that are moist, they like moisture, they like areas that are cool. And they also like areas that are dark that don’t have sunlight. So those are the parts of your house where you have to be especially vigilant.

2. You may not believe this but the answer is b, a toilet seat. Researchers at the university of Arizona did a study where they looked at different surfaces and they found that the toilet seat was less contaminated. Areas that are cleaned more frequently, like toilets, tend to have less germs than things that are cleaned less frequently

Like desktops, telephones and elevator buttons, studies have looked at port-a-potties and found that they were less contaminated than picnic tables which are rarely cleaned.

3. 15-20 seconds is usually fine. That works well for most people. Since you don’t usually have a stopwatch with you you can sing a song. And actually with kids it’s fun to teach them to sing the ABC song or happy birthday when they wash their hands.

4. Well, sort of – drying your hands is the right answer, but your pores don’t really have anything to do with it.

Germs love moisture so you want to be sure to get the moisture off your hands. But it is important to use a clean towel or a paper towel or a hand dryer.

Lathering is good but it’s really the scrubbing action that gets the germs off your hands. And antibacterial soap is good but it hasn’t been proven to be any more effective than regular soap and water.

5. It’s true that hand sanitizers are better at killing germs and they’re handy if you don’t have access to soap and water. But soap and water is actually more effective at physically removing germs.

So, How did you do?

And how much attention will you pay to making sure your hands are really clean?

 

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