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30 Cards in this Set
- Front
- Back
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Once a person becomes infected with a virus, how long will it take until a laboratory test can detect it's anitgens and antibodies?
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- Several weeks
- (Months to Years if infected w/ HIV) |
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What % of patients with HIV or HBV and are asymptomatic?
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80%
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Is there a difference in infection control practices between infected and non-infected patients?
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No
(Universal Precautions) |
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What is Universal Precautions?
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Infection control practices under the assumption that ALL patients are infected.
(Treat all pateitns as if they are infected.) |
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What virus serves as the BASIS for Universal Precautions?
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HBV
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What must be done prior to any dental examination or treatment on a patient?
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Review current medical history.
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What must patients w/ acute infectious diseases or those at the end stage of Acquired Immune Deficiency (AIDS) do before elective treatment can be performed?
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Consultation w/ appropriate medical specialist.
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Washing a pair of examination gloves makes them __ % more porous.
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60%
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How often are personnel required to change their face masks?
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After e/a patient OR when visibly soiled.
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During what dental procedure, is it required to wear headwear (scrub caps)?
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Surgical procedures.
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Why is eating not allowed in DTRs?
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Aerosol particals can remaine airborne long after treatment.
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At the beginning of e/a workday, the Dental Unit (Chair) must have it's water lines and hoses flushed for how long?
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1 minute.
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Potable water supplies may contain up to 100 colony forming units (CFU) / milimeter and water in dental units can contain in excess of ___ colony forming units (CFU) / millimeter
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1.000,000
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After each patient, remove handpiece lubricate and run for how long?
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30 seconds
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The flushing of handpiece tubing at the beginning and end of each day and between patients must be performed for how long?
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1 minute at the beginning and end of each day.
30 seconds between patients. |
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Lubricate sterilized handpieces and run directed into the HVE for how long?
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15 seconds
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Dental procedures usually generate aerosol particles that average ___ microns in diameter.
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1.3 microns
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Prior to treatment, three __-second rinses will temporarily reduce a petient's microbial count by up to ___ %.
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- 10-second
- 97% |
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What type of pre-operative rinse significantly decreases the infectivity of an aerosol?
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0.12% Chlorhexidine Gluconate
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Opened and properly decanted irrigation solutions are acceptable for up to __ ____ for nonsurgical use.
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1 Week
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Opened and properly decanted irrigation solutions are acceptable for up to __ ____ for surgical procedures.
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1 Day
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What type of container should you place BIOPSY specimens in?
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Properly labeled, sturdy, leak proof container.
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What type of disinfectant cannot be used as a surface disinfectant and why?
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2% Glutaraldehyde
- Due to it's caustic vapors. |
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At the end of the day, how much water do you flush the HVE system with?
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1 Quart.
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How often should you clean the HVE with an HVE system cleaner?
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At least once a week, daily for surgical chairs.
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When mopping uncarpeted floors (or other horizontal surfaces) What must be used?
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- 1 Launderable mop
- EPA registered disinfectant OR detegrant w/ Sodium Hyopoclorite (1:100 water dilution) |
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When transporting infectious waste from the treatment room to the infectious waste depository, what must you transport it in?
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Closable, leak proof container or bags labeled Biohazard.
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What is the MOST IMPORTANT procedure in preventing the transfer of micro-organisms from one person to another?
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Hand Washing
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What two types of flora does skin harbor?
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- Resident
- Transient |
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What type of flora does not survive and multiply on the skin and is not firmly attached?
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Transient
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