CALIFORNIA RDA WRITTEN EXAM 2026-2027
QUESTIONS AND CORRECT ANSWERS GRADED
A+
Which set of precautions is intended to prevent exposure to all body fluids?
Standard
The majority of the spray produced by dental hand pieces consists of
saliva
which of the following viral infections can be prevented through immunization?
Hepatitis B
According to the Occupational Safety and Health Administration (OSHAP), a
bloodborne pathogens training program should include a general explanation of
the modes of disease transmission
Routine hand washing removes
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?
properly using chemical treatments
which of the following modes of disease transmission best describes a human bite?
parenteral
the primary reason a surgical face mask must be used during a dental procedure is
to
protect the DHCP from exposure to spatter
Instrument cassettes should be wrapped
after cleaning and before sterilization
Used radiograph fixer solution is usually considered
hazardous waste
Which party is responsible for ensuring a Material Safety Data Sheet is available in
the work place for each hazardous material?
Employer
,Which of the following statements most accurately defines engineering controls?
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?
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
critical
The purpose of a holding solution is to
prevent hardening of debris and body fluids on instruments
Which barrier should be removed before temporarily leaving a patient to retrieve
supplies?
gloves
The majority of organisms that make up dental unit waterline biofilm consists of
water bacteria
, Material Safety Data Sheet (MSDS) are required by OSHA'S
Hazardous Communication Standard
Besides alcohol, which of the following is a common antimicrobial agent found in
hand hygiene products?
Chlorohexidine
According to the CDC which infection control measure is considered the most
critical for reducing the transmission of microbes in the health care setting?
hand washing
In a dental setting the clinical supply refrigerator may be used for the preservation
of
bonding materials
A used dental anesthetic needle is an example of
regulated waste
QUESTIONS AND CORRECT ANSWERS GRADED
A+
Which set of precautions is intended to prevent exposure to all body fluids?
Standard
The majority of the spray produced by dental hand pieces consists of
saliva
which of the following viral infections can be prevented through immunization?
Hepatitis B
According to the Occupational Safety and Health Administration (OSHAP), a
bloodborne pathogens training program should include a general explanation of
the modes of disease transmission
Routine hand washing removes
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?
properly using chemical treatments
which of the following modes of disease transmission best describes a human bite?
parenteral
the primary reason a surgical face mask must be used during a dental procedure is
to
protect the DHCP from exposure to spatter
Instrument cassettes should be wrapped
after cleaning and before sterilization
Used radiograph fixer solution is usually considered
hazardous waste
Which party is responsible for ensuring a Material Safety Data Sheet is available in
the work place for each hazardous material?
Employer
,Which of the following statements most accurately defines engineering controls?
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?
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
critical
The purpose of a holding solution is to
prevent hardening of debris and body fluids on instruments
Which barrier should be removed before temporarily leaving a patient to retrieve
supplies?
gloves
The majority of organisms that make up dental unit waterline biofilm consists of
water bacteria
, Material Safety Data Sheet (MSDS) are required by OSHA'S
Hazardous Communication Standard
Besides alcohol, which of the following is a common antimicrobial agent found in
hand hygiene products?
Chlorohexidine
According to the CDC which infection control measure is considered the most
critical for reducing the transmission of microbes in the health care setting?
hand washing
In a dental setting the clinical supply refrigerator may be used for the preservation
of
bonding materials
A used dental anesthetic needle is an example of
regulated waste
