For Expert help and assignment handling,
1
California RDA written exam Questions and
Answers (100% Correct Answers) Already
Graded A+
according to the CDC which infection control measure is considered the
most critical for reducing the transmission of microbes in the health care
setting? Ans: hand washing
© 2026 Assignment Expert
in a dental setting the clinical supply refrigerator may be used for the
preservation of Ans: bonding materials
Guru01 - Stuvia
A used dental anesthetic needle is an example of Ans: regulated waste
Employees must receive training regarding hazardous chemicals at
which interval? Ans: 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 Ans: chemicals in the
office
Which set of precautions is intended to prevent exposure to all body
fluids? Ans: Standard
The majority of the spray produced by dental hand pieces consists of
Ans: saliva
which of the following viral infections can be prevented through
immunization? Ans: Hepatitis B
,For Expert help and assignment handling,
2
According to the Occupational Safety and Health Administration
(OSHAP), a bloodborne pathogens training program should include a
general explanation of Ans: the modes of disease transmission
Routine hand washing removes Ans: 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? Ans: properly using chemical treatments
© 2026 Assignment Expert
which of the following modes of disease transmission best describes a
human bite? Ans: parenteral
Guru01 - Stuvia
the primary reason a surgical face mask must be used during a dental
procedure is to Ans: protect the DHCP from exposure to spatter
Instrument cassettes should be wrapped Ans: after cleaning and before
sterilization
Used radiograph fixer solution is usually considered Ans: hazardous
waste
Which party is responsible for ensuring a Material Safety Data Sheet is
available in the work place for each hazardous material? Ans: Employer
Which of the following statements most accurately defines engineering
controls? Ans: Materials and devices that prevent employees exposure
to hazardous or infectious substances
,For Expert help and assignment handling,
3
When using the air water syringe during dental treatment which of the
following personal protective equipment are recommended by the
CDC? Ans: 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 Ans: critical
The purpose of a holding solution is to Ans: prevent hardening of debris
and body fluids on instruments
© 2026 Assignment Expert
Which barrier should be removed before temporarily leaving a patient to
retrieve supplies? Ans: gloves
Guru01 - Stuvia
The majority of organisms that make up dental unit waterline biofilm
consists of Ans: water bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S Ans:
Hazardous Communication Standard
Besides alcohol, which of the following is a common antimicrobial agent
found in hand hygiene products? Ans: Chlorohexidine
The accessibility of the exposure control plan for employees is the
responsibility of the Ans: employer
High- level disinfectants should be used Ans: according to the
manufacturer's directions
Exposure of dental heathcare personnel to nitrous oxide gases can be
reduced by Ans: using a scavenger system on the nitrous oxide
equipment
, For Expert help and assignment handling,
4
When putting on personal protective equipment, which barrier should be
put on last, just before patient care begins? Ans: gloves
To prepare for sterilization, the high-speed hand piece and reusable air-
water syringe tip should be flushed with water Ans: after each patient
Who is responsible for the evaluation of hazardous chemicals? Ans:
chemicals manufacturers and importers
© 2026 Assignment Expert
During normal use, which of the following is the most likely hazard for a
dentist using a curing light? Ans: eye exposure to the light
An exposure plan must be updated Ans: annually and when new or
Guru01 - Stuvia
modified tasks are introduced
Wearing a punctured gloves during patient care may result in which
type of microbial contact? Ans: direct
Work practice controls include the use of a Ans: one-handed recapping
technique
Heat sterilization of extracted teeth may result in Ans: the vaporization of
mercury, presenting a health hazard.
A person with a latent tuberculosis infection will Ans: have a positive skin
test and no symptoms of active tuberculosis
Which is the minimum temperature a steam sterilizer should reach to
achieve sterilization? Ans: 121 degrees C
1
California RDA written exam Questions and
Answers (100% Correct Answers) Already
Graded A+
according to the CDC which infection control measure is considered the
most critical for reducing the transmission of microbes in the health care
setting? Ans: hand washing
© 2026 Assignment Expert
in a dental setting the clinical supply refrigerator may be used for the
preservation of Ans: bonding materials
Guru01 - Stuvia
A used dental anesthetic needle is an example of Ans: regulated waste
Employees must receive training regarding hazardous chemicals at
which interval? Ans: 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 Ans: chemicals in the
office
Which set of precautions is intended to prevent exposure to all body
fluids? Ans: Standard
The majority of the spray produced by dental hand pieces consists of
Ans: saliva
which of the following viral infections can be prevented through
immunization? Ans: Hepatitis B
,For Expert help and assignment handling,
2
According to the Occupational Safety and Health Administration
(OSHAP), a bloodborne pathogens training program should include a
general explanation of Ans: the modes of disease transmission
Routine hand washing removes Ans: 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? Ans: properly using chemical treatments
© 2026 Assignment Expert
which of the following modes of disease transmission best describes a
human bite? Ans: parenteral
Guru01 - Stuvia
the primary reason a surgical face mask must be used during a dental
procedure is to Ans: protect the DHCP from exposure to spatter
Instrument cassettes should be wrapped Ans: after cleaning and before
sterilization
Used radiograph fixer solution is usually considered Ans: hazardous
waste
Which party is responsible for ensuring a Material Safety Data Sheet is
available in the work place for each hazardous material? Ans: Employer
Which of the following statements most accurately defines engineering
controls? Ans: Materials and devices that prevent employees exposure
to hazardous or infectious substances
,For Expert help and assignment handling,
3
When using the air water syringe during dental treatment which of the
following personal protective equipment are recommended by the
CDC? Ans: 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 Ans: critical
The purpose of a holding solution is to Ans: prevent hardening of debris
and body fluids on instruments
© 2026 Assignment Expert
Which barrier should be removed before temporarily leaving a patient to
retrieve supplies? Ans: gloves
Guru01 - Stuvia
The majority of organisms that make up dental unit waterline biofilm
consists of Ans: water bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S Ans:
Hazardous Communication Standard
Besides alcohol, which of the following is a common antimicrobial agent
found in hand hygiene products? Ans: Chlorohexidine
The accessibility of the exposure control plan for employees is the
responsibility of the Ans: employer
High- level disinfectants should be used Ans: according to the
manufacturer's directions
Exposure of dental heathcare personnel to nitrous oxide gases can be
reduced by Ans: using a scavenger system on the nitrous oxide
equipment
, For Expert help and assignment handling,
4
When putting on personal protective equipment, which barrier should be
put on last, just before patient care begins? Ans: gloves
To prepare for sterilization, the high-speed hand piece and reusable air-
water syringe tip should be flushed with water Ans: after each patient
Who is responsible for the evaluation of hazardous chemicals? Ans:
chemicals manufacturers and importers
© 2026 Assignment Expert
During normal use, which of the following is the most likely hazard for a
dentist using a curing light? Ans: eye exposure to the light
An exposure plan must be updated Ans: annually and when new or
Guru01 - Stuvia
modified tasks are introduced
Wearing a punctured gloves during patient care may result in which
type of microbial contact? Ans: direct
Work practice controls include the use of a Ans: one-handed recapping
technique
Heat sterilization of extracted teeth may result in Ans: the vaporization of
mercury, presenting a health hazard.
A person with a latent tuberculosis infection will Ans: have a positive skin
test and no symptoms of active tuberculosis
Which is the minimum temperature a steam sterilizer should reach to
achieve sterilization? Ans: 121 degrees C
