NC DENTAL LAWS INFECTION CONTROL ACTUAL
FINALS QUESTIONS AND ANSWERS SET A+
✔✔true - ✔✔If a clinician does not immediately wash/sanitize hands after glove removal
a latex allergy could occur due to particles in the air. (T/F)
✔✔stop tx, remove gloves, check skin for stick, wash hands, re-glove - ✔✔What should
you do if a glove becomes punctured during tx?
✔✔mask, face-shield, eyewear, gloves, protective clothing (lab gown) - ✔✔What PPE is
necessary when spray, spatter, and aerosols are anticipated?
✔✔transient - ✔✔What microbes can be completely removed/greatly reduced with hand
✔✔wash 15 sec, rinse 10 sec - ✔✔How long should you wash hands for?
✔✔After each patient or when wet/soiled during tx - ✔✔How often should masks be
changed?
✔✔Protective eyewear, side shields - ✔✔What does a face-shield replace? When
wearing one you don't need to wear______
✔✔Some surfaces are difficult to disinfect/clean (A/W syringe, hoses) - ✔✔Why are
barriers used on surfaces?
✔✔Beginning of day, when contaminated during barrier removal, end of day - ✔✔How
often are surfaces covered with barriers disinfected?
✔✔Chair, keyboard, light handle, tray - ✔✔4 surfaces in operatory that should be
covered by barriers
✔✔semi-critical items - ✔✔Items that touch oral mucosa but do not penetrate the body
are classified as
,✔✔fully sterilized - ✔✔How are critical and semi-critical items handled?
✔✔semi-critical - ✔✔Mouth mirror is an example of that type of item
✔✔pre-clean, spray-wipe-spray or wipe-discard-wipe - ✔✔What should be done prior to
DISINFECTING environmental surfaces
✔✔intermediate level - ✔✔What product level is approved for surface and equipment
disinfection?
✔✔tuberculosis - ✔✔what organism must an intermediate level disinfectant kill
✔✔10 min - ✔✔how long must surfaces remain wet when disinfecting
✔✔5 days - ✔✔Amount of time it takes for biofilm to form in a new dental unit
✔✔2-3 mins at start of each day, 20-30 seconds in between patients - ✔✔How long are
waterlines flushed at start of each day and in between pt's?
✔✔after long breaks, after unit fails water test - ✔✔At CCCC when is water system
shocked with Sterilex?
✔✔Use 1 ICX tablet in bottle water, flush 2-3 mins at start of day, flush 20-30 secs
between pt's - ✔✔At CCCC how are waterlines maintained daily?
✔✔At end of semester or before a long break - ✔✔At CCCC when are waterlines
purged?
✔✔end of each day with enzymax cleaner - ✔✔When are HVE and vacuum lines
cleaned?
✔✔sharps container - ✔✔Where are ext teeth disposed of?
✔✔facultative microbes - ✔✔Microbes that grow in presence or absence of oxygen
✔✔smaller than bacteria, obligate intracellular parasite, nucleic acid core (DNA or
RNA), capsid and envelope - ✔✔Structure of a virus
✔✔replication stage - ✔✔In what stage of the virus life does the host cell synthesize
new viral DNA/RNA?
✔✔prions and endospores - ✔✔These microbes are most resistant to chemicals
,✔✔Ethylene oxide gas, gluteraldehyde liquid - ✔✔List 2 high level disinfectants
✔✔10 hrs - ✔✔How long does it take to sterilize instruments in gluteraldehyde?
✔✔when sterilizing liquid items - ✔✔When would you not use a steam autoclave?
✔✔evaporates quickly, corrosive, not sporicidal - ✔✔Why is alcohol not used as a
surface disinfectant?
✔✔Iodophors, hypochlorites, synthetic phenols, chlorine compounds - ✔✔Which
chemical disinfectants have to be mixed daily?
✔✔gluteraldehyde and hydrogen peroxide - ✔✔Which disinfectants are used for
immersion
✔✔ultrasonic bath - ✔✔what method of cleaning instruments is most effective
✔✔15 mins - ✔✔How long are cassettes placed in ultrasonic for
✔✔daily or when soiled - ✔✔How often is ultrasonic bath drained and disinfected
✔✔prevent aerosols - ✔✔Why is it important to cover ultrasonic bath before operating?
✔✔prevent debris from drying to instruments, easy cleaning - ✔✔Purpose of holding
solution is to
✔✔steam autoclave - ✔✔This sterilization method dulls instruments
✔✔20-30 mins, 15 psi, 250F (121C) - ✔✔Time-temp-pressure and cycle for steam
autoclave
✔✔Long cycle, discolors fabrics, not for heat sensitive items - ✔✔Disadvantage of dry
heat sterilization
✔✔Close, allow oven to reach proper sterile temp, re-start cycle - ✔✔What must be
done if dry heat oven is open during cycle
✔✔1x/week, when training new employees, after repair, when running implantable
devices, using new packaging or new sterilizer - ✔✔How often are sterilizers biologically
monitored?
✔✔gluteralderhyde - ✔✔Sterilization method that cannot be biologically monitored
, ✔✔Hep A, Hep E - ✔✔Which type of Hep does not have a carrier
✔✔Hep A, Hep E - ✔✔Which type of Hep is not bloodborne
✔✔immunoglobulin or Hep B vaccine - ✔✔What is given to a non-immunized healthcare
worker who has been exposed?
✔✔notify supervisor, get consent from clinician to perform HIV serolytic test - ✔✔If
clinician is exposed but pt source is unknown what should be done?
✔✔coughing, night sweats, fever - ✔✔3 symptoms of TB
✔✔economically depressed population - ✔✔What segment of the population is at an
increased risk for TB
✔✔Airborne/Droplet transmission of active respiratory infection from person to person -
✔✔How is TB spread?
✔✔False - ✔✔If a person has been diagnosed with TB they will always test positive for
TB with a skin test (T/F)
✔✔oral candidiasis - ✔✔Fungal infection sometimes seen intraorally
✔✔3-6 weeks after exposure mono-like symptoms - ✔✔How long after exposure to HIV
would you expect to see acute HIV?
✔✔male to male sexual contact - ✔✔What group has the highest prevalence of HIV?
✔✔IV drug users, unprotected sex, substance abuse - ✔✔3 high risk behaviors for HIV
✔✔yes - ✔✔Is an employer responsible for offering Hep B immunizations?
✔✔eating, drinking, smoking, applying cosmetics - ✔✔What things should not be done
in treatment areas
✔✔stop sterilizer, allow to cool, re-sterilize instruments - ✔✔What should be done if
sterilization cycle is interrupted before completion
✔✔manufacturing and labeling of med devices, safety of drugs and devices, safety and
efficacy of disinfectants, medical waste, worker safety, instrument sterilizing - ✔✔What
is regulated by fed govt
FINALS QUESTIONS AND ANSWERS SET A+
✔✔true - ✔✔If a clinician does not immediately wash/sanitize hands after glove removal
a latex allergy could occur due to particles in the air. (T/F)
✔✔stop tx, remove gloves, check skin for stick, wash hands, re-glove - ✔✔What should
you do if a glove becomes punctured during tx?
✔✔mask, face-shield, eyewear, gloves, protective clothing (lab gown) - ✔✔What PPE is
necessary when spray, spatter, and aerosols are anticipated?
✔✔transient - ✔✔What microbes can be completely removed/greatly reduced with hand
✔✔wash 15 sec, rinse 10 sec - ✔✔How long should you wash hands for?
✔✔After each patient or when wet/soiled during tx - ✔✔How often should masks be
changed?
✔✔Protective eyewear, side shields - ✔✔What does a face-shield replace? When
wearing one you don't need to wear______
✔✔Some surfaces are difficult to disinfect/clean (A/W syringe, hoses) - ✔✔Why are
barriers used on surfaces?
✔✔Beginning of day, when contaminated during barrier removal, end of day - ✔✔How
often are surfaces covered with barriers disinfected?
✔✔Chair, keyboard, light handle, tray - ✔✔4 surfaces in operatory that should be
covered by barriers
✔✔semi-critical items - ✔✔Items that touch oral mucosa but do not penetrate the body
are classified as
,✔✔fully sterilized - ✔✔How are critical and semi-critical items handled?
✔✔semi-critical - ✔✔Mouth mirror is an example of that type of item
✔✔pre-clean, spray-wipe-spray or wipe-discard-wipe - ✔✔What should be done prior to
DISINFECTING environmental surfaces
✔✔intermediate level - ✔✔What product level is approved for surface and equipment
disinfection?
✔✔tuberculosis - ✔✔what organism must an intermediate level disinfectant kill
✔✔10 min - ✔✔how long must surfaces remain wet when disinfecting
✔✔5 days - ✔✔Amount of time it takes for biofilm to form in a new dental unit
✔✔2-3 mins at start of each day, 20-30 seconds in between patients - ✔✔How long are
waterlines flushed at start of each day and in between pt's?
✔✔after long breaks, after unit fails water test - ✔✔At CCCC when is water system
shocked with Sterilex?
✔✔Use 1 ICX tablet in bottle water, flush 2-3 mins at start of day, flush 20-30 secs
between pt's - ✔✔At CCCC how are waterlines maintained daily?
✔✔At end of semester or before a long break - ✔✔At CCCC when are waterlines
purged?
✔✔end of each day with enzymax cleaner - ✔✔When are HVE and vacuum lines
cleaned?
✔✔sharps container - ✔✔Where are ext teeth disposed of?
✔✔facultative microbes - ✔✔Microbes that grow in presence or absence of oxygen
✔✔smaller than bacteria, obligate intracellular parasite, nucleic acid core (DNA or
RNA), capsid and envelope - ✔✔Structure of a virus
✔✔replication stage - ✔✔In what stage of the virus life does the host cell synthesize
new viral DNA/RNA?
✔✔prions and endospores - ✔✔These microbes are most resistant to chemicals
,✔✔Ethylene oxide gas, gluteraldehyde liquid - ✔✔List 2 high level disinfectants
✔✔10 hrs - ✔✔How long does it take to sterilize instruments in gluteraldehyde?
✔✔when sterilizing liquid items - ✔✔When would you not use a steam autoclave?
✔✔evaporates quickly, corrosive, not sporicidal - ✔✔Why is alcohol not used as a
surface disinfectant?
✔✔Iodophors, hypochlorites, synthetic phenols, chlorine compounds - ✔✔Which
chemical disinfectants have to be mixed daily?
✔✔gluteraldehyde and hydrogen peroxide - ✔✔Which disinfectants are used for
immersion
✔✔ultrasonic bath - ✔✔what method of cleaning instruments is most effective
✔✔15 mins - ✔✔How long are cassettes placed in ultrasonic for
✔✔daily or when soiled - ✔✔How often is ultrasonic bath drained and disinfected
✔✔prevent aerosols - ✔✔Why is it important to cover ultrasonic bath before operating?
✔✔prevent debris from drying to instruments, easy cleaning - ✔✔Purpose of holding
solution is to
✔✔steam autoclave - ✔✔This sterilization method dulls instruments
✔✔20-30 mins, 15 psi, 250F (121C) - ✔✔Time-temp-pressure and cycle for steam
autoclave
✔✔Long cycle, discolors fabrics, not for heat sensitive items - ✔✔Disadvantage of dry
heat sterilization
✔✔Close, allow oven to reach proper sterile temp, re-start cycle - ✔✔What must be
done if dry heat oven is open during cycle
✔✔1x/week, when training new employees, after repair, when running implantable
devices, using new packaging or new sterilizer - ✔✔How often are sterilizers biologically
monitored?
✔✔gluteralderhyde - ✔✔Sterilization method that cannot be biologically monitored
, ✔✔Hep A, Hep E - ✔✔Which type of Hep does not have a carrier
✔✔Hep A, Hep E - ✔✔Which type of Hep is not bloodborne
✔✔immunoglobulin or Hep B vaccine - ✔✔What is given to a non-immunized healthcare
worker who has been exposed?
✔✔notify supervisor, get consent from clinician to perform HIV serolytic test - ✔✔If
clinician is exposed but pt source is unknown what should be done?
✔✔coughing, night sweats, fever - ✔✔3 symptoms of TB
✔✔economically depressed population - ✔✔What segment of the population is at an
increased risk for TB
✔✔Airborne/Droplet transmission of active respiratory infection from person to person -
✔✔How is TB spread?
✔✔False - ✔✔If a person has been diagnosed with TB they will always test positive for
TB with a skin test (T/F)
✔✔oral candidiasis - ✔✔Fungal infection sometimes seen intraorally
✔✔3-6 weeks after exposure mono-like symptoms - ✔✔How long after exposure to HIV
would you expect to see acute HIV?
✔✔male to male sexual contact - ✔✔What group has the highest prevalence of HIV?
✔✔IV drug users, unprotected sex, substance abuse - ✔✔3 high risk behaviors for HIV
✔✔yes - ✔✔Is an employer responsible for offering Hep B immunizations?
✔✔eating, drinking, smoking, applying cosmetics - ✔✔What things should not be done
in treatment areas
✔✔stop sterilizer, allow to cool, re-sterilize instruments - ✔✔What should be done if
sterilization cycle is interrupted before completion
✔✔manufacturing and labeling of med devices, safety of drugs and devices, safety and
efficacy of disinfectants, medical waste, worker safety, instrument sterilizing - ✔✔What
is regulated by fed govt
