RDA # 9 & 10

One way to distinguish between a restoration and a decayed area on a radiograph is that the restoration has __________.

• thick way irregular lines

• fine irregular lines

• thick even lines

• fine even lines

Which technique error is caused by not having enough angulation?

• Foreshortening

• Elongation

• Occlusal overlap

• Horizontal overlap

What is the ideal outcome of the coin test?

• Solid dark image of the coin on the processed film

• No indication of the coin at all on the processed film

• Only an outline of the coin on the processed flim

• None of the Above

What is the modern equivalent of the radiation absorbed dose (rad)?

• Sievert

• Gray

• Coulomb per kilogram

• Relative biological effectiveness

A patient with 25% bone loss at the coronal 1/3 without any tooth loss would be considered to have _____periodontitis.

• Stage I

• Stage II

• Stage III

• Stage IV

A dental assistant making a false and malicious statement about another dental practice to a patient is an example of

• slander

• protocol

• assault

• malpractice

The time between the exposure and the development of biological effects is the _________ period.

• exposure

• latent

• accumulative

• none of the above

What is an advantage of digital radiography?

• The initial expense of equipment and software is low.

• No special training is required

• It eliminates the darkroom and processing equipment

• It eliminates the infection control concerns associated with traditional x-ray imaging.

What is the preferred method of sterilization monitoring?

• Biologic monitoring

• Process indicator

• Observing and recording the temperature, pressure and exposure time

• Process integrator

How should you dispose of a broken metal dental instrument?

• Throw it in with the regular trash

• Place it in a biohazard bag

• Place it in a sharps container

• Package it and return it to the manufacturer for disposal