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