Lab Unit 07 – Hand Asepsis

Lab Unit 07 – Hand Asepsis - Conclusion Lab...

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Conclusion Lab Unit 07 - Hand Asepsis Levine 1 Alexis Levine Maxwell T/R 14, March 2010 For this lab unit, we looked at different and washing techniques. Each group tried four different ways to wash your hands. These included, washing with just water, wash with bar soap, wash with antibacterial soap, and wash with hand sanitizer. For all of these ways, each person made pour plates of samples from before and after washing, and also they put samples of their fingers on TSA plates. After incubating for 48 hours, we observed our results. The water only plates saw the least amount of change in the before and after. This could be because there was no substance used to inhibit or kill the bacteria. Also, it is possible that the water and the area around it had bacteria on it too, which could make it harder to control the growth of bacteria. The second least affective was the bar soap. The bar soap had little influence because there is no antibacterial agent in the soap. Also, there could have been bacteria growing around the soap before it was used. The most
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Lab Unit 07 – Hand Asepsis - Conclusion Lab...

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