Iowa Dental Board Infection Control Study Guide Questions with Verified Solutions

Iowa Dental Board Infection Control Study Guide Questions with Verified Solutions How can microorganisms enter a person's body? Ingest, Splatter, Arousal, Direct or Indirect How often should the patient's medical history be updated? Every visit. What is the difference between disinfection and sterilization? Disinfect- Chemical Killing of SOME microorganisms Sterilization- Chemical Killing of EVERYTHING including spores Is a TB test required for dental health care personnel? NO- unless work requires it. Why is it important in dentistry to have an understanding of spores? Spores are the hardest to Kill. What is recommended in the case of a positive spore test? Stop use of sterilizer, Put out of service, Recheck, Reservice it, Load and Reuse What does the term standard precautions mean? All patients. Standard Precautions include what practices? All PPE What should be done if there is exposure to a bloodborne pathogen? Report it/ Wash area How often should dental health care personnel immunization records be updated? At the time of Immunization. Regular Basis. Dependent on work, job specific- How often. T/F- Bloodborne pathogens may be transmitted through intact as well as non-intact skin. False- ONLY non-intact skin T/F HBV may be transmitted by handling or touching contaminated surfaces True T/F Standard precautions must be used in all patient care in dentistry. True How can you minimize spraying or splattering of oral fluids in a dental office? Rubber dam, HVE How often should dental devices that are connected to the dental water system be flushed? After every patient What is personal protective equipment (PPE)? Gloves, mask, glasses, gown How often should protective clothing be changed? When visibly soiled, between every patient What are indications for hand hygiene? Visible blood How often should gloves be changed? Every patient OR torn When should overgloves be used? If using for drawer or cabinet preventing cross contamination What is a latex allergy, What symptoms indicate that a latex allergy has occurred? Symptoms: rash, runny nose, itchy eyes, scratchy throat, contact dermatitis Allergic to the proteins that make up latex. Give examples of single use devices in dentistry. Gloves, saliva ejector, prophy cups, needles, gauze What disinfectants can be used for spraying? FDA approved/ EPA approved What is the preferred method of decontamination for countertops? EPA registered hospital grade disinfectant T/F Dental Assistants can eat or drink in the sterilization area of the dental office only if there are no contaminated instruments on the counter. False T/F Overgloves are not acceptable alone as a glove during patient treatment True- Not heavy enough T/F If you wear contact lenses you do not need additional eye protection False. Does the Centers for Disease Control and Prevention (CDC) have authority to make laws? No ONLY regulations What does the FDA regulate? Chemical germicides used and what is considered critical and semicritical- HAVE to sterilize and ALSO regulates drugs What does the EPA regulate? Regulates disinfectants, housekeeping and medical waste and chemical germicidals What should be placed in a sharps container? Needles When should an exposure be reported? ASAP What classification must be heat sterilized before reuse? Critical and Semi-critical What are examples of semi-critical dental instruments? Anything in contact with blood and saliva just not TISSUE What instruments are included under critical instruments? blood saliva and tissue contact- Curettes, Forceps, Burs How should instrument processing be handled? Remove debris using ultra sonic scaler. IF hand scrubbing use long handled brush, then ultra sonic or instrument washer. Use utility gloves. How do you properly dispose of extracted teeth in a dental office? Teeth with no amalgam go in medical waste. Amalgam teeth go in Regulated waste. T/F After training, employees should be familiar with the symptoms of bloodborne disease. True. What is holding solution? Pre soaked, Pre- cleaned What solution is used in the ultrasonic cleaner? Intermediate disinfectant What is the difference between sterilization and disinfection? Sterilization- kills all forms of life. Disinfect- destroys some of them. How often should sterilization cycles be verified? Weekly What two liquids disinfectants can be used to sterilize instruments? Glutaraldehyde, Chloride Dioxide Why is alcohol not recommended for use as a surface disinfectant? Evaporates too quickly, not considered disinfectant How long should air and water lines be flushed after the patient visit? 20-30 seconds T/F Glutaraldehydes are EPA-registered chemical/sterilants True Sodium hypochlorite, when used as a surface disinfectant, should be mixed in a 1:10 dilution. (Bleach) True (counter and tables) CAN STAIN. 1:100 floor/walls. T/F For surface disinfection, water, rather than alcohol, must be used to dilute agents that require dilution before use. True