QUESTIONS AND ANSWERS ALL
CORRECT
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
According to the Center for Disease Control and Prevention, patient-care items that
penetrate soft tissue are categorized as - Answer- critical
The purpose of a holding solution is to - Answer- prevent hardening of debris and body
fluids on instruments
Which barrier should be removed before temporarily leaving a patient to retrieve
supplies? - Answer- gloves
The majority of organisms that make up dental unit waterline biofilm consists of -
Answer- water bacteria
Material Safety Data Sheet (MSDS) are required by OSHA'S - Answer- Hazardous
Communication Standard
Besides alcohol, which of the following is a common antimicrobial agent found in hand
hygiene products? - Answer- Chlorohexidine
The accessibility of the exposure control plan for employees is the responsibility of the -
Answer- employer
High- level disinfectants should be used - Answer- according to the manufacturer's
directions
How does the dentist stabilize a tooth after an injury? - Answer- with a temporary splint
Who in the dental office is legally required to report child abuse? - Answer- All dental
healthcare workers
What oral conditions contraindicate the use of an ultrasonic scaler? - Answer- Patients
with demineralization, Narrow periodontal pockets, exposed dentin
,What is the more common term for dental prophylaxis? - Answer- Prophy
Who can perform a dental prophylaxis? - Answer- Dentist and dental hygienist
________________ is a surgical periodontal treatment? - Answer- gingivectomy
What drug is often used for the treatment of periodontitis, juvenile periodontitis, and
rapidlt destructive periodontitis? - Answer- tetracycline
When the dentist taps on a tooth, what diagnostic test is being performed? - Answer-
Percussion
What type of radiograph would be exposed through the course of root canal therapy? -
Answer- periapical
The diagnosis of inflamed pulp tissue is - Answer- pulpitis
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
In a dental setting the clinical supply refrigerator may be used for the preservation of -
Answer- bonding materials
A used dental anesthetic needle is an example of - Answer- regulated waste
Employees must receive training regarding hazardous chemicals at which interval? -
Answer- 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 - Answer- chemicals in the office
Which set of precautions is intended to prevent exposure to all body fluids? - Answer-
Standard
The majority of the spray produced by dental hand pieces consists of - Answer- saliva
which of the following viral infections can be prevented through immunization? -
Answer- Hepatitis B
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
, Routine hand washing removes - Answer- 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? - Answer- properly using chemical treatments
which of the following modes of disease transmission best describes a human bite? -
Answer- parenteral
the primary reason a surgical face mask must be used during a dental procedure is to -
Answer- protect the DHCP from exposure to spatter
Instrument cassettes should be wrapped - Answer- after cleaning and before
sterilization
Used radiograph fixer solution is usually considered - Answer- hazardous waste
Which party is responsible for ensuring a Material Safety Data Sheet is available in the
work place for each hazardous material? - Answer- Employer
Which of the following statements most accurately defines engineering controls? -
Answer- Materials and devices that prevent employees exposure to hazardous or
infectious substances
Exposure of dental heathcare personnel to nitrous oxide gases can be reduced by -
Answer- using 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? - Answer- gloves
To prepare for sterilization, the high-speed hand piece and reusable air-water syringe
tip should be flushed with water - Answer- after each patient
Who is responsible for the evaluation of hazardous chemicals? - Answer- chemicals
manufacturers and importers
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
An exposure plan must be updated - Answer- annually and when new or modified tasks
are introduced
Wearing a punctured gloves during patient care may result in which type of microbial
contact? - Answer- direct
Work practice controls include the use of a - Answer- one-handed recapping technique