Infection Control and Safety Flashcards
7 cards from real ADEX practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Infection Control and Safety flashcards as text
Which OSHA standard specifically requires dental employers to offer free hepatitis B vaccination to employees with occupational exposure?
Answer: Bloodborne Pathogens Standard (29 CFR 1910.1030)
OSHA's Bloodborne Pathogens Standard mandates that employers provide hepatitis B vaccination at no cost to employees who have occupational exposure to blood or OPIM.
When using an ultrasonic scaler, the primary infection control concern regarding aerosol generation is:
Answer: Creation of aerosols and spatter containing blood and saliva
Ultrasonic scalers generate significant aerosols and spatter laden with blood, saliva, and microorganisms, requiring appropriate respiratory and eye protection.
A surface that is difficult to disinfect, such as a dental chair adjustment lever, should be managed by:
Answer: Covering with an impervious barrier that is changed between patients
Complex or difficult-to-disinfect surfaces should be covered with single-use impervious barriers changed between patients.
Which chemical indicator class is considered an integrating indicator and monitors all critical sterilization parameters?
Answer: Class 5 (integrating indicator)
Class 5 integrating indicators respond to all critical variables (time, temperature, steam quality) and provide the highest level of chemical monitoring.
The recommended threshold for dental unit waterline water quality per CDC guidelines is:
Answer: <500 CFU/mL of heterotrophic bacteria
The CDC recommends that dental unit waterline output water contain <500 CFU/mL of heterotrophic bacteria, consistent with drinking water standards.
Which of the following is classified as 'Other Potentially Infectious Material' (OPIM) under the OSHA BBP Standard?
Answer: Saliva in dental settings
Under the OSHA BBP Standard, saliva in dental settings is specifically listed as OPIM due to the potential for blood contamination.
Hand hygiene with an alcohol-based hand rub is NOT appropriate when hands are:
Answer: Visibly soiled with blood or body fluids
When hands are visibly soiled with blood or body fluids, soap and water must be used because alcohol-based rubs do not physically remove gross contamination.