2.13 MDA EXAM Chapters 39-40

All of the following are true statements about phosphor storage plate (PSP) imaging system imaging plates except they:

should be autoclaved.

Digital radiography requires less radiation than traditional radiography because the:

sensor is more sensitive to x-ray energy.

Automatic film processing requires _____ than manual film processing does.

less equipment

One reason for a lighter than normal radiograph is the:

developer solution is too weak.

F-speed dental x-ray film reduces radiation exposure to the patient by __% compared with D-speed dental x-ray film.

60

A plastic or metal film cassette holds and protects the extraoral film. During exposure, the side of the cassette must face the patient is the _____ side.

front

The most commonly used film size for adult intraoral dentistry is size:

#2

Dental film holders, used to position and hold the dental x-ray films in the patient's mouth, include:

Rinn XCP instruments.

Each of the following is true about digitizing film-based radiographic images except:

digitized film-based images cannot be enhanced by computer software.

The category of digital imaging similar to faxes and video equipment that uses a sensor with a cord attached to the computer is:

direct digital imaging.

When film emulsion interacts with x-rays, the result is:

a latent image.

The correct order of steps in manual film processing is:

develop, rinse, fix, wash.

Dental patient records must contain documentation of the ______ of dental images taken.

Number and type

Who can be held legally responsible for a dental assistant's actions?

Both the dentist and assistant

Quality control for the darkroom should include checking for light leaks every:

6 months

Once films are removed from the mouth, they are considered contaminated and should be:

handled only with gloved hands.

The safelight in the darkroom can be tested by:

using the coin test.

Who is responsible for overall quality assurance in a dental practice?

Dentist

Dental images are the property of the:

dentist.

Sterilized positioning instruments should be removed from the packages:

after the patient is seated.

Developer strength can be checked by using:

A reference image or a stepwedge image

Calibration of dental x-ray equipment should be performed by a:

qualified technician.

Failure to obtain informed consent from a patient prior to exposure of dental radiographs can lead to charges of:

negligence.

According to the Centers for Disease Control (CDC) Guidelines for Infection Control in Dental Healthcare Settings—2003, digital radiography sensors:

should use FDA-cleared barriers.

Regulations regarding certification for dental assistants in radiography:

vary from state to state.