Dental unit waterlines
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| A mechanism that prevents entry of fluids and microorganisms into water lines as a result of negative water pressure. | Antiretraction device
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| What is biofilm? | Slime producing bacterial communities that may also harbor fungi, algae, and protozoa.
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| A number of separable cells on the surface of a semisolid agar medium that create a visible colony. | Colony-forming units
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| Small-bore tubing, used to deliver dental treatment water through a dental unit. | Dental unit waterline
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| Bacteria that use organic carbon as a source of nutrients. | Heterotrophic bateria
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| Name two heterotrophic bacteria. | Protozoa and fungi.
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| Having an immune system that is weakened. | Immunocompromised
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| Genus of bacteria responsible for the disease legionellosis. | Legionella
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| Use of membrane filters to trap microorganisms suspended in water. | Microfiltration
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| Planktonic describes bacteria that are? | Freely floating in water.
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| Is it true that some bacteria enter directly from the city water supply? | Yes
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| Is it true that flushing the waterlines will remove biofilm from the lines? | No
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| What are the two ways of testing the water to see if the waterline cleaning regimen is effective? |
Commercial testing and In-office test kit.
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| A rubber dam is a protective barrier that eleminates the exposure to and greatly reduces direct contact to dental unit water. | Yes
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| What is backflow a potential source of? | Cross-contamination.
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Created by:
cynthia.fryer
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