Ch 40

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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


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