what's the difference between Resident and Transient microorganisms?

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I'm a new LVN student, and i can't tell the difference between these two... i know one just stays in a certain body part, the other one simply just travels? that's all i'm getting from the wording of these two, can anyone explain to me in details, please?

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Resident MO are your own body's defense mechanism, also called normal flora. They are bacteria that live all over your skin and fight off other MO from invading you so to say. Transient are not your own bodies permanent flora. They are temporary per say. Like if you shook my hand some of my normal flora may jump over to your hand for a short time, they would be considered transient flora to you but normal flora to me. Does that make sense?

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yes, thank you so much

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