CALIFORNIA RDA WRITTEN EXAM
QUESTIONS & 100% CORRECT
ANSWERS (2025/2026)|GUARANTEED
ANSWERS
According to the CDC which infection control measure is
considered the most critical for reducing the
transmission of microbes in the health care setting? -
CORRECT ANSWER-hand washing
in a dental setting the clinical supply refrigerator may be
used for the preservation of - CORRECT ANSWER-bonding
materials
,A used dental anesthetic needle is an example of -
CORRECT ANSWER-regulated waste
Employees must receive training regarding hazardous
chemicals at which interval? - CORRECT ANSWER-upon
hire and whenever a new hazard is introduced
The OSHA Hazard Communication Standard is based on
the premise that an employee has the right to know
about - CORRECT ANSWER-chemicals in the office
Which set of precautions is intended to prevent exposure
to all body fluids? - CORRECT ANSWER-Standard
The majority of the spray produced by dental hand
pieces consists of - CORRECT ANSWER-saliva
which of the following viral infections can be prevented
through immunization? - CORRECT ANSWER-Hepatitis B
,According to the Occupational Safety and Health
Administration (OSHAP), a bloodborne pathogens
training program should include a general explanation of
- CORRECT ANSWER-the modes of disease transmission
Routine hand washing removes - CORRECT ANSWER-
most of the transient microbes and some of the resident
microbes
Which of the following greatly reduces or eliminates
biofilm in the dental unit water system? - CORRECT
ANSWER-properly using chemical treatments
which of the following modes of disease transmission
best describes a human bite? - CORRECT ANSWER-
parenteral
the primary reason a surgical face mask must be used
during a dental procedure is to - CORRECT ANSWER-
protect the DHCP from exposure to spatter
, Instrument cassettes should be wrapped - CORRECT
ANSWER-after cleaning and before sterilization
Used radiograph fixer solution is usually considered -
CORRECT ANSWER-hazardous waste
Which party is responsible for ensuring a Material Safety
Data Sheet is available in the work place for each
hazardous material? - CORRECT ANSWER-Employer
Which of the following statements most accurately
defines engineering controls? - CORRECT ANSWER-
Materials and devices that prevent employees exposure
to hazardous or infectious substances
When using the air water syringe during dental
treatment which of the following personal protective
equipment are recommended by the CDC? - CORRECT
ANSWER-gloves, mask, gown, and eye protection
QUESTIONS & 100% CORRECT
ANSWERS (2025/2026)|GUARANTEED
ANSWERS
According to the CDC which infection control measure is
considered the most critical for reducing the
transmission of microbes in the health care setting? -
CORRECT ANSWER-hand washing
in a dental setting the clinical supply refrigerator may be
used for the preservation of - CORRECT ANSWER-bonding
materials
,A used dental anesthetic needle is an example of -
CORRECT ANSWER-regulated waste
Employees must receive training regarding hazardous
chemicals at which interval? - CORRECT ANSWER-upon
hire and whenever a new hazard is introduced
The OSHA Hazard Communication Standard is based on
the premise that an employee has the right to know
about - CORRECT ANSWER-chemicals in the office
Which set of precautions is intended to prevent exposure
to all body fluids? - CORRECT ANSWER-Standard
The majority of the spray produced by dental hand
pieces consists of - CORRECT ANSWER-saliva
which of the following viral infections can be prevented
through immunization? - CORRECT ANSWER-Hepatitis B
,According to the Occupational Safety and Health
Administration (OSHAP), a bloodborne pathogens
training program should include a general explanation of
- CORRECT ANSWER-the modes of disease transmission
Routine hand washing removes - CORRECT ANSWER-
most of the transient microbes and some of the resident
microbes
Which of the following greatly reduces or eliminates
biofilm in the dental unit water system? - CORRECT
ANSWER-properly using chemical treatments
which of the following modes of disease transmission
best describes a human bite? - CORRECT ANSWER-
parenteral
the primary reason a surgical face mask must be used
during a dental procedure is to - CORRECT ANSWER-
protect the DHCP from exposure to spatter
, Instrument cassettes should be wrapped - CORRECT
ANSWER-after cleaning and before sterilization
Used radiograph fixer solution is usually considered -
CORRECT ANSWER-hazardous waste
Which party is responsible for ensuring a Material Safety
Data Sheet is available in the work place for each
hazardous material? - CORRECT ANSWER-Employer
Which of the following statements most accurately
defines engineering controls? - CORRECT ANSWER-
Materials and devices that prevent employees exposure
to hazardous or infectious substances
When using the air water syringe during dental
treatment which of the following personal protective
equipment are recommended by the CDC? - CORRECT
ANSWER-gloves, mask, gown, and eye protection
