California RDA written exam Questions
and Answers Guide (already passed)
Latest 2025
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 Answers
✅hand washing
in a dental setting the clinical supply refrigerator may be
used for the preservation of - Correct Answers ✅bonding
materials
A used dental anesthetic needle is an example of - Correct
Answers ✅regulated waste
Employees must receive training regarding hazardous
chemicals at which interval? - Correct Answers ✅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 Answers ✅chemicals in the office
Which set of precautions is intended to prevent exposure to
all body fluids? - Correct Answers ✅Standard
The majority of the spray produced by dental hand pieces
consists of - Correct Answers ✅saliva
,California RDA written exam Questions
and Answers Guide (already passed)
Latest 2025
which of the following viral infections can be prevented
through immunization? - Correct Answers ✅Hepatitis B
According to the Occupational Safety and Health
Administration (OSHAP), a bloodborne pathogens training
program should include a general explanation of - Correct
Answers ✅the modes of disease transmission
Routine hand washing removes - Correct Answers ✅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 Answers ✅properly
using chemical treatments
which of the following modes of disease transmission best
describes a human bite? - Correct Answers ✅parenteral
the primary reason a surgical face mask must be used during
a dental procedure is to - Correct Answers ✅protect the
DHCP from exposure to spatter
Instrument cassettes should be wrapped - Correct Answers
✅after cleaning and before sterilization
,California RDA written exam Questions
and Answers Guide (already passed)
Latest 2025
Used radiograph fixer solution is usually considered - Correct
Answers ✅hazardous waste
Which party is responsible for ensuring a Material Safety Data
Sheet is available in the work place for each hazardous
material? - Correct Answers ✅Employer
Which of the following statements most accurately defines
engineering controls? - Correct Answers ✅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 Answers ✅gloves,
mask, gown, and eye protection
According to the Center for Disease Control and Prevention,
patient-care items that penetrate soft tissue are categorized
as - Correct Answers ✅critical
The purpose of a holding solution is to - Correct Answers
✅prevent hardening of debris and body fluids on instruments
, California RDA written exam Questions
and Answers Guide (already passed)
Latest 2025
Which barrier should be removed before temporarily leaving
a patient to retrieve supplies? - Correct Answers ✅gloves
The majority of organisms that make up dental unit waterline
biofilm consists of - Correct Answers ✅water bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S -
Correct Answers ✅Hazardous Communication Standard
Besides alcohol, which of the following is a common
antimicrobial agent found in hand hygiene products? -
Correct Answers ✅Chlorohexidine
The accessibility of the exposure control plan for employees
is the responsibility of the - Correct Answers ✅employer
High- level disinfectants should be used - Correct Answers
✅according to the manufacturer's directions
Exposure of dental heathcare personnel to nitrous oxide
gases can be reduced by - Correct Answers ✅using a
scavenger system on the nitrous oxide equipment
and Answers Guide (already passed)
Latest 2025
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 Answers
✅hand washing
in a dental setting the clinical supply refrigerator may be
used for the preservation of - Correct Answers ✅bonding
materials
A used dental anesthetic needle is an example of - Correct
Answers ✅regulated waste
Employees must receive training regarding hazardous
chemicals at which interval? - Correct Answers ✅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 Answers ✅chemicals in the office
Which set of precautions is intended to prevent exposure to
all body fluids? - Correct Answers ✅Standard
The majority of the spray produced by dental hand pieces
consists of - Correct Answers ✅saliva
,California RDA written exam Questions
and Answers Guide (already passed)
Latest 2025
which of the following viral infections can be prevented
through immunization? - Correct Answers ✅Hepatitis B
According to the Occupational Safety and Health
Administration (OSHAP), a bloodborne pathogens training
program should include a general explanation of - Correct
Answers ✅the modes of disease transmission
Routine hand washing removes - Correct Answers ✅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 Answers ✅properly
using chemical treatments
which of the following modes of disease transmission best
describes a human bite? - Correct Answers ✅parenteral
the primary reason a surgical face mask must be used during
a dental procedure is to - Correct Answers ✅protect the
DHCP from exposure to spatter
Instrument cassettes should be wrapped - Correct Answers
✅after cleaning and before sterilization
,California RDA written exam Questions
and Answers Guide (already passed)
Latest 2025
Used radiograph fixer solution is usually considered - Correct
Answers ✅hazardous waste
Which party is responsible for ensuring a Material Safety Data
Sheet is available in the work place for each hazardous
material? - Correct Answers ✅Employer
Which of the following statements most accurately defines
engineering controls? - Correct Answers ✅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 Answers ✅gloves,
mask, gown, and eye protection
According to the Center for Disease Control and Prevention,
patient-care items that penetrate soft tissue are categorized
as - Correct Answers ✅critical
The purpose of a holding solution is to - Correct Answers
✅prevent hardening of debris and body fluids on instruments
, California RDA written exam Questions
and Answers Guide (already passed)
Latest 2025
Which barrier should be removed before temporarily leaving
a patient to retrieve supplies? - Correct Answers ✅gloves
The majority of organisms that make up dental unit waterline
biofilm consists of - Correct Answers ✅water bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S -
Correct Answers ✅Hazardous Communication Standard
Besides alcohol, which of the following is a common
antimicrobial agent found in hand hygiene products? -
Correct Answers ✅Chlorohexidine
The accessibility of the exposure control plan for employees
is the responsibility of the - Correct Answers ✅employer
High- level disinfectants should be used - Correct Answers
✅according to the manufacturer's directions
Exposure of dental heathcare personnel to nitrous oxide
gases can be reduced by - Correct Answers ✅using a
scavenger system on the nitrous oxide equipment
