California RDA written exam questions & answers 2024/2025
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California RDA
Institution
California RDA
California RDA written exam questions & answers 2024/2025
according to the CDC which infection control measure is considered the most critical for reducing the transmission of microbes in the health care setting? - ANSWERShand washing
in a dental setting the clinical supply refrigerator may...
California RDA written exam questions &
answers 2024/2025
according to the CDC which infection control measure is considered the most critical for reducing the
transmission of microbes in the health care setting? - ANSWERShand washing
in a dental setting the clinical supply refrigerator may be used for the preservation of - ANSWERSbonding
materials
A used dental anesthetic needle is an example of - ANSWERSregulated waste
Employees must receive training regarding hazardous chemicals at which interval? - ANSWERSupon 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 - ANSWERSchemicals in the office
Which set of precautions is intended to prevent exposure to all body fluids? - ANSWERSStandard
The majority of the spray produced by dental hand pieces consists of - ANSWERSsaliva
which of the following viral infections can be prevented through immunization? - ANSWERSHepatitis B
According to the Occupational Safety and Health Administration (OSHAP), a bloodborne pathogens
training program should include a general explanation of - ANSWERSthe modes of disease transmission
Routine hand washing removes - ANSWERSmost 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? -
ANSWERSproperly using chemical treatments
which of the following modes of disease transmission best describes a human bite? -
ANSWERSparenteral
the primary reason a surgical face mask must be used during a dental procedure is to - ANSWERSprotect
the DHCP from exposure to spatter
Instrument cassettes should be wrapped - ANSWERSafter cleaning and before sterilization
Used radiograph fixer solution is usually considered - ANSWERShazardous waste
Which party is responsible for ensuring a Material Safety Data Sheet is available in the work place for
each hazardous material? - ANSWERSEmployer
Which of the following statements most accurately defines engineering controls? - ANSWERSMaterials
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? - ANSWERSgloves, mask, gown, and eye protection
According to the Center for Disease Control and Prevention, patient-care items that penetrate soft tissue
are categorized as - ANSWERScritical
The purpose of a holding solution is to - ANSWERSprevent hardening of debris and body fluids on
instruments
Which barrier should be removed before temporarily leaving a patient to retrieve supplies? -
ANSWERSgloves
, The majority of organisms that make up dental unit waterline biofilm consists of - ANSWERSwater
bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S - ANSWERSHazardous Communication
Standard
Besides alcohol, which of the following is a common antimicrobial agent found in hand hygiene
products? - ANSWERSChlorohexidine
The accessibility of the exposure control plan for employees is the responsibility of the -
ANSWERSemployer
High- level disinfectants should be used - ANSWERSaccording to the manufacturer's directions
Exposure of dental heathcare personnel to nitrous oxide gases can be reduced by - ANSWERSusing 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? - ANSWERSgloves
To prepare for sterilization, the high-speed hand piece and reusable air-water syringe tip should be
flushed with water - ANSWERSafter each patient
Who is responsible for the evaluation of hazardous chemicals? - ANSWERSchemicals manufacturers and
importers
During normal use, which of the following is the most likely hazard for a dentist using a curing light? -
ANSWERSeye exposure to the light
An exposure plan must be updated - ANSWERSannually and when new or modified tasks are introduced
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