CALIFORNIA RDA EXAM FREQUENTLY
ASKED QUESTIONS WITH CORRECT
ANSWERS LATEST VERSION 2026
ALREADY GRADED A+
"which of the following is recommended to minimize the occupational exposure to atmospheric
nitrous oxide? - CORRECT ANSWER=> use a properly fitted nasal patient mask"
"who is responsible for appropriate regulated waste disposal? - CORRECT ANSWER=> the
generation facility"
"According to the OSHA Bloodborne Pathogens Standard, each dental office must have a
exposure control plan that is - CORRECT ANSWER=> written and reviewed at least once every
year"
"The main purpose of surgical hand antisepsis is to - CORRECT ANSWER=> to reduce the chance
for contamination of the patient if the glove become punctured or torn."
"According to the OSHA Bloodborne Pathogens Standard, a contaminated sharps container
should be - CORRECT ANSWER=> puncture resistant and closable"
"According to the CDC, how long should sterilization monitoring records be kept? - CORRECT
ANSWER=> As required by state and local regulations"
"Which of the following would be regulated under OSHA's Hazard Communication Standard? -
CORRECT ANSWER=> bonding etchant"
"To limit contamination, single- dose injectable medication should be - CORRECT ANSWER=>
discarded after each use including leftover contents"
"What is the recommended procedure when a sterilizer fails two consecutive spore tests? -
CORRECT ANSWER=> do not use the sterilizer until the reason for the failure has been
determined and corrected"
1|Page
,"According to the OSHA bloodborne pathogens standard, the written exposure control plan
must be updated at least - CORRECT ANSWER=> annually"
"When should chairside environmental barriers be changed? - CORRECT ANSWER=> after every
patient"
"According to the CDC, biological indicators for assessing sterilization are to be used - CORRECT
ANSWER=> weekly"
"The "dirty" area of the instrument processing area is used for instrument - CORRECT
ANSWER=> cleaning"
"What type of gloves should be worn to protect the hands of dental healthcare personnel
during instrument processing and operatory cleanup? - CORRECT ANSWER=> utility
housekeeping"
"The correct steps to take when a glove rips or tears during a procedure are - CORRECT
ANSWER=> remove the glove, wash and dry hands, and place new glove"
"The purpose of dating packages of sterilized instruments is to - CORRECT ANSWER=> retrieve
packs in the event of a sterilization failure"
"Closing the lip and spitting into the saliva ejector may cause - CORRECT ANSWER=> retraction
towards the patients mouth"
"A scavenger unit is used for the respiratory protection during the use of - CORRECT ANSWER=>
nitrous oxide"
"According to OSHA, protective eye wear, surgical masks, gloves, and gowns or lab coats are -
CORRECT ANSWER=> personal protective equipment"
"The primary reason a surgical face mask must be used during dental procedure is to - CORRECT
ANSWER=> protect the DHCP from exposure to spatter"
"Using traditional radiographic procedures, which of the following is considered a clinical
contact surface? - CORRECT ANSWER=> X-ray control panel"
2|Page
, "Mechanical monitoring of the sterilization process should occur with - CORRECT ANSWER=>
every load"
"The primary active agent in the solution used for unsaturated chemical vapor sterilization is -
CORRECT ANSWER=> formaldehyde"
"What is the proper management for work surfaces that become contaminated with blood? -
CORRECT ANSWER=> Clean and disinfect"
"Which of the following demonstrates an appropriate fill level for a sharps container? -
CORRECT ANSWER=> 3/4 full"
"What agency regulates the registration of hospital disinfectants? - CORRECT ANSWER=> EPA"
"Which of the following is the best environmental infection control practice for clinical contact
surfaces with irregular surfaces? - CORRECT ANSWER=> Covering surface with fluid impervious
barriers"
"Routine hand washing for dental healthcare personnel includes the use of - CORRECT
ANSWER=> water and plain soap"
"A surgical mask should be changed - CORRECT ANSWER=> after every patient"
"Which of the following steam autoclave settings and times are most effective for sterilization of
wrapped instruments? - CORRECT ANSWER=> 121 degrees C (250 degrees F) and 15 psi for 30
minutes"
"According to OSHA, safety measures that should be taken when using bonding materials with
potential hazards must be found in a - CORRECT ANSWER=> Material Safety Data Sheet"
"Which of the following indicators is placed inside every package of instruments prior to
sterilization? - CORRECT ANSWER=> Chemical"
"Instruments with the greatest risk of transmitting infection are - CORRECT ANSWER=> critical
instruments"
"Torn gloves should be replaced - CORRECT ANSWER=> as soon as possible"
3|Page
ASKED QUESTIONS WITH CORRECT
ANSWERS LATEST VERSION 2026
ALREADY GRADED A+
"which of the following is recommended to minimize the occupational exposure to atmospheric
nitrous oxide? - CORRECT ANSWER=> use a properly fitted nasal patient mask"
"who is responsible for appropriate regulated waste disposal? - CORRECT ANSWER=> the
generation facility"
"According to the OSHA Bloodborne Pathogens Standard, each dental office must have a
exposure control plan that is - CORRECT ANSWER=> written and reviewed at least once every
year"
"The main purpose of surgical hand antisepsis is to - CORRECT ANSWER=> to reduce the chance
for contamination of the patient if the glove become punctured or torn."
"According to the OSHA Bloodborne Pathogens Standard, a contaminated sharps container
should be - CORRECT ANSWER=> puncture resistant and closable"
"According to the CDC, how long should sterilization monitoring records be kept? - CORRECT
ANSWER=> As required by state and local regulations"
"Which of the following would be regulated under OSHA's Hazard Communication Standard? -
CORRECT ANSWER=> bonding etchant"
"To limit contamination, single- dose injectable medication should be - CORRECT ANSWER=>
discarded after each use including leftover contents"
"What is the recommended procedure when a sterilizer fails two consecutive spore tests? -
CORRECT ANSWER=> do not use the sterilizer until the reason for the failure has been
determined and corrected"
1|Page
,"According to the OSHA bloodborne pathogens standard, the written exposure control plan
must be updated at least - CORRECT ANSWER=> annually"
"When should chairside environmental barriers be changed? - CORRECT ANSWER=> after every
patient"
"According to the CDC, biological indicators for assessing sterilization are to be used - CORRECT
ANSWER=> weekly"
"The "dirty" area of the instrument processing area is used for instrument - CORRECT
ANSWER=> cleaning"
"What type of gloves should be worn to protect the hands of dental healthcare personnel
during instrument processing and operatory cleanup? - CORRECT ANSWER=> utility
housekeeping"
"The correct steps to take when a glove rips or tears during a procedure are - CORRECT
ANSWER=> remove the glove, wash and dry hands, and place new glove"
"The purpose of dating packages of sterilized instruments is to - CORRECT ANSWER=> retrieve
packs in the event of a sterilization failure"
"Closing the lip and spitting into the saliva ejector may cause - CORRECT ANSWER=> retraction
towards the patients mouth"
"A scavenger unit is used for the respiratory protection during the use of - CORRECT ANSWER=>
nitrous oxide"
"According to OSHA, protective eye wear, surgical masks, gloves, and gowns or lab coats are -
CORRECT ANSWER=> personal protective equipment"
"The primary reason a surgical face mask must be used during dental procedure is to - CORRECT
ANSWER=> protect the DHCP from exposure to spatter"
"Using traditional radiographic procedures, which of the following is considered a clinical
contact surface? - CORRECT ANSWER=> X-ray control panel"
2|Page
, "Mechanical monitoring of the sterilization process should occur with - CORRECT ANSWER=>
every load"
"The primary active agent in the solution used for unsaturated chemical vapor sterilization is -
CORRECT ANSWER=> formaldehyde"
"What is the proper management for work surfaces that become contaminated with blood? -
CORRECT ANSWER=> Clean and disinfect"
"Which of the following demonstrates an appropriate fill level for a sharps container? -
CORRECT ANSWER=> 3/4 full"
"What agency regulates the registration of hospital disinfectants? - CORRECT ANSWER=> EPA"
"Which of the following is the best environmental infection control practice for clinical contact
surfaces with irregular surfaces? - CORRECT ANSWER=> Covering surface with fluid impervious
barriers"
"Routine hand washing for dental healthcare personnel includes the use of - CORRECT
ANSWER=> water and plain soap"
"A surgical mask should be changed - CORRECT ANSWER=> after every patient"
"Which of the following steam autoclave settings and times are most effective for sterilization of
wrapped instruments? - CORRECT ANSWER=> 121 degrees C (250 degrees F) and 15 psi for 30
minutes"
"According to OSHA, safety measures that should be taken when using bonding materials with
potential hazards must be found in a - CORRECT ANSWER=> Material Safety Data Sheet"
"Which of the following indicators is placed inside every package of instruments prior to
sterilization? - CORRECT ANSWER=> Chemical"
"Instruments with the greatest risk of transmitting infection are - CORRECT ANSWER=> critical
instruments"
"Torn gloves should be replaced - CORRECT ANSWER=> as soon as possible"
3|Page
