CDA RHS Domain 3: Infection Prevention and Control Welcome to your CDA RHS Domain 3: Infection Prevention and Control 1. CDA RHS: Infection Prevention and Control During the sterilization process, biological indicators (BIs) are used to: A. Indicate the temperature inside the sterilizer B. Measure the pressure inside the sterilizer C. Confirm the presence of living microorganisms before sterilization D. Verify the sterilization process by demonstrating microbial kill None 2. CDA RHS: Infection Prevention and Control Which of the following is NOT a recommended practice for handling sharps in a dental office? A. Using a one-handed scoop technique to recap needles B. Bending or breaking needles before disposal C. Using puncture-resistant containers to dispose of sharps D. Never passing a syringe needle-first to a colleague None 3. CDA RHS: Infection Prevention and Control High-level disinfectants in a dental setting should be used for: A. Surfaces that come in contact with intact skin only B. Instruments that penetrate soft tissue or bone C. General cleaning of floors and walls D. Non-critical instruments that come in contact with mucous membranes None 4. CDA RHS: Infection Prevention and Control The primary reason for flushing dental waterlines at the beginning of each day is to: A. Remove any air bubbles in the waterlines B. Test the water pressure in the dental unit C. Reduce the microbial load in the waterlines D. Warm up the water for patient comfort None 5. CDA RHS: Infection Prevention and Control Which of the following is NOT a characteristic of an ideal surface disinfectant for dental settings? A. Rapid action against a broad spectrum of microorganisms B. High toxicity to ensure the elimination of all pathogens C. Compatibility with dental materials D. Ability to work in the presence of blood and saliva None 6. CDA RHS: Infection Prevention and Control The process of pre-cleaning dental instruments before sterilization: A. Is not necessary if the instruments will be sterilized immediately B. Can be skipped for instruments used in non-invasive procedures C. Reduces the bioburden and prevents the drying of blood and debris on instruments D. Should only be performed using ultrasonic cleaners None 7. CDA RHS: Infection Prevention and Control Autoclave sterilization indicators change color to signify: A. The instruments inside are properly organized B. The correct temperature and pressure have been reached C. All microbial life has been eradicated D. The autoclave is functioning without any technical issues None 8. CDA RHS: Infection Prevention and Control Which of the following is NOT a standard precaution in dental infection control? A. Using gloves and masks during patient care B. Sterilizing all patient-care items, including those not in contact with mucous membranes C. Hand hygiene before and after patient contact D. Disposal of sharps in designated puncture-resistant containers None 9. CDA RHS: Infection Prevention and Control For effective sterilization, steam autoclaves should expel air because: A. Air pockets can shield microorganisms from steam B. It increases the speed of the sterilization cycle C. It prevents corrosion of metal instruments D. It enhances the drying process post-sterilization None 10. CDA RHS: Infection Prevention and Control The CDC recommends dental unit waterlines be monitored for microbial contamination: A. Only after installation of new units B. Biannually, regardless of the usage frequency C. After any maintenance or repair work D. At intervals specified by the manufacturer's guidelines None 11. CDA RHS: Infection Prevention and Control The primary purpose of a chemical vapor sterilizer in a dental office is to: A. Sterilize heat-sensitive instruments B. Disinfect surfaces and floors C. Sterilize instruments without corrosion D. Clean instruments prior to sterilization None 12. CDA RHS: Infection Prevention and Control Which of the following is considered a critical item in dental infection control and requires sterilization? A. Examination gloves B. Blood pressure cuff C. Dental handpieces D. Protective eyewear None 13. CDA RHS: Infection Prevention and Control In the context of infection control, "spaulding classification" is used to: A. Determine the level of disinfection or sterilization required for dental items B. Classify the types of disinfectants suitable for dental clinics C. Identify the different levels of personal protective equipment D. Categorize types of infectious waste in dental settings None 14. CDA RHS: Infection Prevention and Control When using an ultrasonic cleaner for instrument pre-cleaning, it's important to: A. Fill the tank to the brim to ensure all instruments are submerged B. Use hot water to expedite the cleaning process C. Change the cleaning solution daily or more frequently if visibly soiled D. Seal the lid tightly to prevent the escape of microorganisms None 15. CDA RHS: Infection Prevention and Control The correct sequence of personal protective equipment (PPE) removal in a dental setting is: A. Gloves, gown, mask, eyewear B. Gown, gloves, eyewear, mask C. Gloves, eyewear, gown, mask D. Mask, gloves, gown, eyewear None 16. CDA RHS: Infection Prevention and Control A "flash" sterilization cycle is primarily used in dental settings to: A. Sterilize instruments that cannot withstand heat B. Quickly sterilize instruments needed urgently C. Sterilize large batches of instruments simultaneously D. Disinfect non-critical instruments None 17. CDA RHS: Infection Prevention and Control The term "biofilm" in dental waterlines refers to: A. A type of waterborne pathogen B. A thin, resistant layer of microorganisms that adhere to surfaces C. A chemical agent used to clean waterlines D. A membrane used to filter water before it enters the dental unit None 18. CDA RHS: Infection Prevention and Control The most effective method to prevent needlestick injuries after use is to: A. Recap the needle using a one-handed technique B. Dispose of the needle in the regular trash bin C. Immediately place the needle in a sharps disposal container D. Sterilize the needle before disposal None 19. CDA RHS: Infection Prevention and Control When a dental assistant suspects a breach in infection control protocols, the FIRST step should be to: A. Document the breach in the patient's file B. Report the incident to the designated infection control coordinator C. Discuss the breach with the patient involved D. Correct the breach without reporting it None 20. CDA RHS: Infection Prevention and Control What is the primary reason for using a dental dam during endodontic procedures? A. To improve patient comfort B. To isolate the operative site from the oral environment C. To enhance the visibility of the operating field D. To prevent the patient from closing their mouth None 21. CDA RHS: Infection Prevention and Control When disposing of extracted teeth that contain amalgam fillings, what is the recommended procedure to minimize mercury exposure? A. Incineration of the extracted teeth B. Placement in a biohazard bag for special disposal C. Storing in a container with water or photolytic solution D. Immediate disposal in the regular trash None 22. CDA RHS: Infection Prevention and Control Which of the following is the most appropriate action when a surface disinfectant is not available in a dental clinic? A. Use an alcohol-based hand sanitizer instead B. Delay all treatments until the disinfectant is available C. Use soap and water for surface cleaning D. Use a sterilizing agent as a temporary measure None 23. CDA RHS: Infection Prevention and Control In the context of infection control, the term "log reduction" refers to: A. The decrease in financial resources allocated for infection control measures B. A decrease in the volume of biohazard waste produced C. The reduction of microbial load by a specific factor D. Documentation of infection incidents in a logbook None 24. CDA RHS: Infection Prevention and Control The efficacy of an autoclave's sterilization cycle is NOT directly influenced by: A. The type of microorganism present B. The volume of items being sterilized C. The color of the autoclave's interior D. The duration and temperature of the cycle None 25. CDA RHS: Infection Prevention and Control What is the recommended action if a patient reports a latex allergy prior to a dental procedure? A. Proceed with the procedure using vinyl gloves B. Postpone the procedure until latex-free options are available C. Use powdered latex gloves as they are less likely to cause reactions D. Advise the patient that the allergic reaction is minimal and continue as planned None 26. CDA RHS: Infection Prevention and Control When considering the hierarchy of controls, which of the following is the most effective method to prevent transmission of infections in a dental setting? A. Use of personal protective equipment B. Hand hygiene practices C. Engineering controls D. Administrative controls None 27. CDA RHS: Infection Prevention and Control What is the main purpose of using a high-efficiency particulate air (HEPA) filter in a dental clinic's ventilation system? A. To reduce the noise from dental equipment B. To eliminate odors in the treatment area C. To remove airborne particles and pathogens D. To regulate the temperature in the clinic None 28. CDA RHS: Infection Prevention and Control After a sterilization cycle, a pouch containing dental instruments remains sealed. This indicates that: A. The instruments inside are definitely sterile B. The pouch was not properly placed in the autoclave C. The instruments inside need to be re-sterilized D. The integrity of the sterilization process is maintained None 29. CDA RHS: Infection Prevention and Control The primary reason for using an intermediate-level disinfectant in a dental office is to: A. Disinfect surfaces that contact skin but not mucous membranes B. Sterilize critical dental instruments C. Clean environmental surfaces like floors and walls D. Disinfect surfaces that may contact mucous membranes but are not intended to penetrate body surfaces None 30. CDA RHS: Infection Prevention and Control A dental assistant notices a small tear in their glove during a procedure. The appropriate response is to: A. Continue the procedure, as the tear is minor B. Immediately stop, remove the glove, perform hand hygiene, and replace it with a new glove C. Cover the tear with another glove and continue the procedure D. Complete the procedure and then change the glove for the next patient None 1 out of 30 Time is Up! Time's up
