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California RDA Written Exam { UPDATED} /340 Questions And Answers (A+)
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California RDA Written Exam {2023-2024UPDATED} /340 Questions And Answers (A+)
Quiz :according to the CDC which infection control measure is considered the
most critical for reducing the transmission of microbes in the health care
setting? - √Answer :hand washing
Quiz :in a dental setting the clinical supply refrigerator may be used for the
preservation of - √Answer :bonding materials
Quiz :A used dental anesthetic needle is an example of - √Answer :regulated
waste
Quiz :Employees must receive training regarding hazardous chemicals at which
interval? - √Answer :upon hire and whenever a new hazard is introduced
Quiz :The OSHA Hazard Communication Standard is based on the premise that
an employee has the right to know about - √Answer :chemicals in the office
Quiz :Which set of precautions is intended to prevent exposure to all body
fluids? - √Answer :Standard
Quiz :The majority of the spray produced by dental hand pieces consists of -
√Answer :saliva
Quiz :which of the following viral infections can be prevented through
immunization? - √Answer :Hepatitis B
Quiz :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
Quiz :Routine hand washing removes - √Answer :most of the transient
microbes and some of the resident microbes
Quiz :Which of the following greatly reduces or eliminates biofilm in the dental
unit water system? - √Answer :properly using chemical treatments
Quiz :which of the following modes of disease transmission best describes a
human bite? - √Answer :parenteral
,Quiz :the primary reason a surgical face mask must be used during a dental
procedure is to - √Answer :protect the DHCP from exposure to spatter
Quiz :Instrument cassettes should be wrapped - √Answer :after cleaning and
before sterilization
Quiz :Used radiograph fixer solution is usually considered - √Answer :hazardous
waste
Quiz :Which party is responsible for ensuring a Material Safety Data Sheet is
available in the work place for each hazardous material? - √Answer :Employer
Quiz :Which of the following statements most accurately defines engineering
controls? - √Answer :Materials and devices that prevent employees exposure
to hazardous or infectious substances
Quiz :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
Quiz :According to the Center for Disease Control and Prevention, patient-care
items that penetrate soft tissue are categorized as - √Answer :critical
Quiz :The purpose of a holding solution is to - √Answer :prevent hardening of
debris and body fluids on instruments
Quiz :Which barrier should be removed before temporarily leaving a patient to
retrieve supplies? - √Answer :gloves
Quiz :The majority of organisms that make up dental unit waterline biofilm
consists of - √Answer :water bacteria
Quiz :Material Safety Data Sheet (MSDS) are required by OSHA'S -
√Answer :Hazardous Communication Standard
Quiz :Besides alcohol, which of the following is a common antimicrobial agent
found in hand hygiene products? - √Answer :Chlorohexidine
, Quiz :The accessibility of the exposure control plan for employees is the
responsibility of the - √Answer :employer
Quiz :High- level disinfectants should be used - √Answer :according to the
manufacturer's directions
Quiz :Exposure of dental heathcare personnel to nitrous oxide gases can be
reduced by - √Answer :using a scavenger system on the nitrous oxide
equipment
Quiz :When putting on personal protective equipment, which barrier should be
put on last, just before patient care begins? - √Answer :gloves
Quiz :To prepare for sterilization, the high-speed hand piece and reusable air-
water syringe tip should be flushed with water - √Answer :after each patient
Quiz :Who is responsible for the evaluation of hazardous chemicals? -
√Answer :chemicals manufacturers and importers
Quiz :During normal use, which of the following is the most likely hazard for a
dentist using a curing light? - √Answer :eye exposure to the light
Quiz :An exposure plan must be updated - √Answer :annually and when new or
modified tasks are introduced
Quiz :Wearing a punctured gloves during patient care may result in which type
of microbial contact? - √Answer :direct
Quiz :Work practice controls include the use of a - √Answer :one-handed
recapping technique
Quiz :Heat sterilization of extracted teeth may result in - √Answer :the
vaporization of mercury, presenting a health hazard.
Quiz :A person with a latent tuberculosis infection will - √Answer :have a
positive skin test and no symptoms of active tuberculosis
Quiz :Which is the minimum temperature a steam sterilizer should reach to
achieve sterilization? - √Answer :121 degrees C
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