QUESTIONS WITH ANSWERS RATED A+
✔✔Critical Instruments - ✔✔Used to penetrate soft tissue or bone or contact with blood.
Must be sterilized after each use, we use heat (autoclave)
✔✔Semi-critical instruments - ✔✔Instruments do not penetrate soft tissue/bone but
contact mucous or non-intact skin. These should be sterilized or high level disinfectant if
heat intolerant.
✔✔HEP B dose schedule - ✔✔Initial Dose
1 month
6 month
✔✔Standard Precautions - ✔✔CDC guidelines for infection control that are applied to all
body fluids of all patients all of the time.
✔✔Engineering controls - ✔✔Equipment/devices used to prevent exposure to any
possible disease or injury.
✔✔Work practice controls - ✔✔Controls that reduce the likelihood of exposure by
altering the manner in which a task is performed.
✔✔Post-exposure Incident info - ✔✔-Date & Time
-Details of the exposure
-Details about if the source material was known
-Details of exposed person
-Details of post exposure management and follow up.
✔✔Preferred method of washing hands during routine or non-surgical procedures? -
✔✔Water and non-antimicrobial soap
✔✔Preferred method for washing hands between patients - ✔✔A non-antimicrobial
soap, anti-microbial soap, or an alcohol-based hand rub.
✔✔Preferred method when hands are visibly soiled - ✔✔non-microbial soap and water
✔✔When should PPE's be removed? - ✔✔-Before leaving patient care areas
-Between patients
✔✔Central Processing area should be divided into what 4 catgories? - ✔✔1. Receiving,
cleaning and decontamination
2. Preparation and packaging
3. Sterilization
, 4. Storage
✔✔What are some ways to monitor sterilizing? - ✔✔Mechanical, Chemical, Biological
✔✔How often should the spores test be conducted? - ✔✔Once a week
✔✔2 ways that packaged, sterilized instruments can be dated - ✔✔-Date related
-Event related
✔✔How should the instruments be placed in the sterilizer? - ✔✔Packaged correctly and
loosely into the sterilizer so as not to impede penetration of the steam.
✔✔Clinical contact surfaces - ✔✔Directly contaminated from patient materials either by
direct spray/splatter generated during dental procedures or by contact with DHCP's
gloved hands.
Ex: light handles, switches, X-ray equipment, chairs, computers, drawer handles and
countertops
✔✔How should barriers be removed? - ✔✔With gloves on
✔✔What type of disinfectants should be used to clean between patients? - ✔✔-Low
level disinfectant
-Intermediate level disinfectant
✔✔What are housekeeping surfaces? - ✔✔floors, walls, and sinks
✔✔The majority of soiled items in a dental office fall under what type of waste? -
✔✔General medical waste & general waste
✔✔Waste that carries a substantial risk of infection during handling or disposal? -
✔✔Regulated medical waste & infectious waste
Ex: Saturated cotton rolls/gauze, surgically removed soft and hard tissue, extracted
teeth, contaminated sharps.
✔✔What type of container is used for sharps? - ✔✔Puncture resistant container with
bio-hazard label
✔✔When should dental water units be flushed - ✔✔Beginning of the day for 2-3 mins &
between patients for 20-30 secs
✔✔How is dental waterline biofilm removed - ✔✔Chemical germicides (Turbo-Vac, Pur-
Vac, Slug Buster)