California RDA written exam
reducing the transmission of microbes in the health care setting? - ANSWERhand washing
in a dental setting the clinical supply refrigerator may be used for the preservation of - ANSWERbonding
materials
A used dental anesthetic needle is an example of - ANSWERregulated waste
Employees must receive training regarding hazardous chemicals at which interval? - ANSWERupon 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 - ANSWERchemicals in the office
Which set of precautions is intended to prevent exposure to all body fluids? - ANSWERStandard
The majority of the spray produced by dental hand pieces consists of - ANSWERsaliva
which of the following viral infections can be prevented through immunization? - ANSWERHepatitis B
According to the Occupational Safety and Health Administration (OSHAP), a bloodborne pathogens
training program should include a general explanation of - ANSWERthe modes of disease transmission
,Routine hand washing removes - ANSWERmost 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? -
ANSWERproperly using chemical treatments
which of the following modes of disease transmission best describes a human bite? - ANSWERparenteral
the primary reason a surgical face mask must be used during a dental procedure is to - ANSWERprotect
the DHCP from exposure to spatter
Instrument cassettes should be wrapped - ANSWERafter cleaning and before sterilization
Used radiograph fixer solution is usually considered - ANSWERhazardous waste
Which party is responsible for ensuring a Material Safety Data Sheet is available in the work place for
each hazardous material? - ANSWEREmployer
Which of the following statements most accurately defines engineering controls? - ANSWERMaterials
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? - ANSWERgloves, mask, gown, and eye protection
According to the Center for Disease Control and Prevention, patient-care items that penetrate soft tissue
are categorized as - ANSWERcritical
The purpose of a holding solution is to - ANSWERprevent hardening of debris and body fluids on
instruments
,Which barrier should be removed before temporarily leaving a patient to retrieve supplies? -
ANSWERgloves
The majority of organisms that make up dental unit waterline biofilm consists of - ANSWERwater
bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S - ANSWERHazardous Communication
Standard
Besides alcohol, which of the following is a common antimicrobial agent found in hand hygiene
products? - ANSWERChlorohexidine
The accessibility of the exposure control plan for employees is the responsibility of the -
ANSWERemployer
High- level disinfectants should be used - ANSWERaccording to the manufacturer's directions
Exposure of dental heathcare personnel to nitrous oxide gases can be reduced by - ANSWERusing a
scavenger system on the nitrous oxide equipment
When putting on personal protective equipment, which barrier should be put on last, just before patient
care begins? - ANSWERgloves
To prepare for sterilization, the high-speed hand piece and reusable air-water syringe tip should be
flushed with water - ANSWERafter each patient
Who is responsible for the evaluation of hazardous chemicals? - ANSWERchemicals manufacturers and
importers
, During normal use, which of the following is the most likely hazard for a dentist using a curing light? -
ANSWEReye exposure to the light
An exposure plan must be updated - ANSWERannually and when new or modified tasks are introduced
Wearing a punctured gloves during patient care may result in which type of microbial contact? -
ANSWERdirect
Work practice controls include the use of a - ANSWERone-handed recapping technique
Heat sterilization of extracted teeth may result in - ANSWERthe vaporization of mercury, presenting a
health hazard.
A person with a latent tuberculosis infection will - ANSWERhave a positive skin test and no symptoms of
active tuberculosis
Which is the minimum temperature a steam sterilizer should reach to achieve sterilization? -
ANSWER121 degrees C
Which of the following is an example of a clinical contract surface? - ANSWERcountertops
which of the following is recommended to minimize the occupational exposure to atmospheric nitrous
oxide? - ANSWERuse a properly fitted nasal patient mask
who is responsible for appropriate regulated waste disposal? - ANSWERthe generation facility
reducing the transmission of microbes in the health care setting? - ANSWERhand washing
in a dental setting the clinical supply refrigerator may be used for the preservation of - ANSWERbonding
materials
A used dental anesthetic needle is an example of - ANSWERregulated waste
Employees must receive training regarding hazardous chemicals at which interval? - ANSWERupon 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 - ANSWERchemicals in the office
Which set of precautions is intended to prevent exposure to all body fluids? - ANSWERStandard
The majority of the spray produced by dental hand pieces consists of - ANSWERsaliva
which of the following viral infections can be prevented through immunization? - ANSWERHepatitis B
According to the Occupational Safety and Health Administration (OSHAP), a bloodborne pathogens
training program should include a general explanation of - ANSWERthe modes of disease transmission
,Routine hand washing removes - ANSWERmost 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? -
ANSWERproperly using chemical treatments
which of the following modes of disease transmission best describes a human bite? - ANSWERparenteral
the primary reason a surgical face mask must be used during a dental procedure is to - ANSWERprotect
the DHCP from exposure to spatter
Instrument cassettes should be wrapped - ANSWERafter cleaning and before sterilization
Used radiograph fixer solution is usually considered - ANSWERhazardous waste
Which party is responsible for ensuring a Material Safety Data Sheet is available in the work place for
each hazardous material? - ANSWEREmployer
Which of the following statements most accurately defines engineering controls? - ANSWERMaterials
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? - ANSWERgloves, mask, gown, and eye protection
According to the Center for Disease Control and Prevention, patient-care items that penetrate soft tissue
are categorized as - ANSWERcritical
The purpose of a holding solution is to - ANSWERprevent hardening of debris and body fluids on
instruments
,Which barrier should be removed before temporarily leaving a patient to retrieve supplies? -
ANSWERgloves
The majority of organisms that make up dental unit waterline biofilm consists of - ANSWERwater
bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S - ANSWERHazardous Communication
Standard
Besides alcohol, which of the following is a common antimicrobial agent found in hand hygiene
products? - ANSWERChlorohexidine
The accessibility of the exposure control plan for employees is the responsibility of the -
ANSWERemployer
High- level disinfectants should be used - ANSWERaccording to the manufacturer's directions
Exposure of dental heathcare personnel to nitrous oxide gases can be reduced by - ANSWERusing a
scavenger system on the nitrous oxide equipment
When putting on personal protective equipment, which barrier should be put on last, just before patient
care begins? - ANSWERgloves
To prepare for sterilization, the high-speed hand piece and reusable air-water syringe tip should be
flushed with water - ANSWERafter each patient
Who is responsible for the evaluation of hazardous chemicals? - ANSWERchemicals manufacturers and
importers
, During normal use, which of the following is the most likely hazard for a dentist using a curing light? -
ANSWEReye exposure to the light
An exposure plan must be updated - ANSWERannually and when new or modified tasks are introduced
Wearing a punctured gloves during patient care may result in which type of microbial contact? -
ANSWERdirect
Work practice controls include the use of a - ANSWERone-handed recapping technique
Heat sterilization of extracted teeth may result in - ANSWERthe vaporization of mercury, presenting a
health hazard.
A person with a latent tuberculosis infection will - ANSWERhave a positive skin test and no symptoms of
active tuberculosis
Which is the minimum temperature a steam sterilizer should reach to achieve sterilization? -
ANSWER121 degrees C
Which of the following is an example of a clinical contract surface? - ANSWERcountertops
which of the following is recommended to minimize the occupational exposure to atmospheric nitrous
oxide? - ANSWERuse a properly fitted nasal patient mask
who is responsible for appropriate regulated waste disposal? - ANSWERthe generation facility
