CALIFORNIA RDA EXAMS 2026
FINAL PAPER PRACTICE
QUESTIONS ANSWERS ACCURATE
A+
◉ in a dental setting the clinical supply refrigerator may be used for the
preservation of
Answer: bonding materials
◉ A used dental anesthetic needle is an example of
Answer: regulated waste
◉ Employees must receive training regarding hazardous chemicals at
which interval?
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
Answer: chemicals in the office
◉ Which set of precautions is intended to prevent exposure to all body
fluids?
Answer: Standard
◉ The majority of the spray produced by dental hand pieces consists of
,Answer: saliva
◉ which of the following viral infections can be prevented through
immunization?
Answer: Hepatitis B
◉ According to the Occupational Safety and Health Administration
(OSHAP), a bloodborne pathogens training program should include a
general explanation of
Answer: the modes of disease transmission
◉ Routine hand washing removes
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?
Answer: properly using chemical treatments
◉ which of the following modes of disease transmission best describes a
human bite?
Answer: parenteral
◉ the primary reason a surgical face mask must be used during a dental
procedure is to
,Answer: protect the DHCP from exposure to spatter
◉ Instrument cassettes should be wrapped
Answer: after cleaning and before sterilization
◉ Used radiograph fixer solution is usually considered
Answer: hazardous waste
◉ Which party is responsible for ensuring a Material Safety Data Sheet
is available in the work place for each hazardous material?
Answer: Employer
◉ Which of the following statements most accurately defines
engineering controls?
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?
Answer: 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
Answer: critical
, ◉ The purpose of a holding solution is to
Answer: prevent hardening of debris and body fluids on instruments
◉ Which barrier should be removed before temporarily leaving a patient
to retrieve supplies?
Answer: gloves
◉ The majority of organisms that make up dental unit waterline biofilm
consists of
Answer: water bacteria
◉ Material Safety Data Sheet (MSDS) are required by OSHA'S
Answer: Hazardous Communication Standard
◉ Besides alcohol, which of the following is a common antimicrobial
agent found in hand hygiene products?
Answer: Chlorohexidine
◉ The accessibility of the exposure control plan for employees is the
responsibility of the
Answer: employer
◉ High- level disinfectants should be used
FINAL PAPER PRACTICE
QUESTIONS ANSWERS ACCURATE
A+
◉ in a dental setting the clinical supply refrigerator may be used for the
preservation of
Answer: bonding materials
◉ A used dental anesthetic needle is an example of
Answer: regulated waste
◉ Employees must receive training regarding hazardous chemicals at
which interval?
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
Answer: chemicals in the office
◉ Which set of precautions is intended to prevent exposure to all body
fluids?
Answer: Standard
◉ The majority of the spray produced by dental hand pieces consists of
,Answer: saliva
◉ which of the following viral infections can be prevented through
immunization?
Answer: Hepatitis B
◉ According to the Occupational Safety and Health Administration
(OSHAP), a bloodborne pathogens training program should include a
general explanation of
Answer: the modes of disease transmission
◉ Routine hand washing removes
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?
Answer: properly using chemical treatments
◉ which of the following modes of disease transmission best describes a
human bite?
Answer: parenteral
◉ the primary reason a surgical face mask must be used during a dental
procedure is to
,Answer: protect the DHCP from exposure to spatter
◉ Instrument cassettes should be wrapped
Answer: after cleaning and before sterilization
◉ Used radiograph fixer solution is usually considered
Answer: hazardous waste
◉ Which party is responsible for ensuring a Material Safety Data Sheet
is available in the work place for each hazardous material?
Answer: Employer
◉ Which of the following statements most accurately defines
engineering controls?
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?
Answer: 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
Answer: critical
, ◉ The purpose of a holding solution is to
Answer: prevent hardening of debris and body fluids on instruments
◉ Which barrier should be removed before temporarily leaving a patient
to retrieve supplies?
Answer: gloves
◉ The majority of organisms that make up dental unit waterline biofilm
consists of
Answer: water bacteria
◉ Material Safety Data Sheet (MSDS) are required by OSHA'S
Answer: Hazardous Communication Standard
◉ Besides alcohol, which of the following is a common antimicrobial
agent found in hand hygiene products?
Answer: Chlorohexidine
◉ The accessibility of the exposure control plan for employees is the
responsibility of the
Answer: employer
◉ High- level disinfectants should be used
