Ch 40
Sterilized positioning instruments should be removed from the packages:
after the patient is seated
PSPs
are a major source of cross-contamination
All of the following are true statements regarding the preparation of the operatory for dental imaging except
barriers do not need to be used because spatter of blood and saliva is unlikely
Following the completion of the film-screen contact test, areas of good film-screen contact will
be uniform
According to the test for x-ray film freshness, the film is fresh and has been properly stored and handled when the processed film appears clean with a slight ____ tint
blue
quality control for the darkroom should include
checking for light leaks every six months, safelight testing, and equipment testing
For a film to be properly processed, it should be left in a fixer solution, at full strength, for
2 minutes
Who can be held legally responsible for a dental assistant's actions?
Both the dentist and the assistant
a good protocol to follow for decreasing the contamination of dental imaging equipment and supplies is to
gather all supplies needed before beginning the procedure. use over gloves. ask for help
Once films are removed from the mouth, they are considered contaminated and should be:
handled only with gloved hands
The simplest method for ensuring the freshness of each box of film is to
process one film from each box with fresh chemicals.
all of the following are true regarding the transfer of dental images except
the originals are sent
Developer strength can be checked by using
a reference image or a step wedge image
Transporting PSP films should be done by placing them in:
a black transfer box
Calibration of dental x-ray equipment should be performed by:
a qualified technician
Dental images are the property of the:
dentist
It is the responsibility of the ____ to discuss the need for dental imaging
dentist
Who is responsible for overall quality assurance in a dental practice
dentist
What should the dental assistant do if a patient refuses dental imaging?
document in the patient's record
an administrative quality control plan
ensures that each individual is trained to perform assigned duties; maintains a written description of the quality insurance plan; and maintains records of control tests
Given normal use, processing solutions should be changed:
every 3 tp4 weeks
The most critical component in film processing quality control is __________.
maintaining the freshness of the processing solutions
which of the following statements is true regarding federal and state regulations on the use of dental x-ray equipment
most states have laws that require inspections of dental x-ray equipment on a regular basis.
a record-keeping log for processing solution does not need to include the
name of the solution used to clean the tanks
failure to obtain informed consent from a patient prior to exposure of dental radiographs can lead to charges of
negligence
dental records must contain documentation of the _____ of dental images taken
number type quality
the consumer-patient radiation health and safety act is a federal law that requires all
persons who expose dental x-rays to wear radiation safety badges
which of the following must be disclosed to the patient before obtaining informed consent for dental radiographs
risks and benefits of the images person who will be exposing consequences of not having images
All of the following statements are true regarding the care of intensifying screens except
screens should be cleaned with a commercial cleaner after each use an antistatic solution should be applied after cleaning screens that are scratched should be replaced
according to the Centers for Disease control guidelines for infection control in dental healthcare settings- 2003 digital radiography sensors
should use FDA- cleared barriers
Quality assurance in the dental office is a way of ensuring that everything possible is being done to produce high quality diagnostic images and includes quality control
tests and administration procedures
The safelight in the darkroom can be tested by
using the coin test
Regulations regarding certification for dental assistants in radiography:
vary from state to state
When a daily radiograph is lighter than the reference radiograph, it indicates the developer is too:
weak
Following removal of an exposed film or PSP from a patient's mouth, the film/PSP should be
wiped free of saliva using a dry 2 by 2 inch gauze sponge or paper towel
