Exam 10: Concepts of Radiographic Image Quality

The densities above 2.5 on a film are represented in the _____ portion of the characteristic curve.

The technologist primarily controls radiographic contrast by varying the _____.

If 10% of the viewbox light is transmitted through an area of film,what is the optical density in that area?

The slope of the _____ portion of the characteristic curve shows the film contrast.

Radiographic _____ is random fluctuation in the optical density of a radiograph.

An image receptor with _____ can be used over a greater range of exposures.

_____ is defined as the ability to image two separate objects and visually detect one from the other.

Distortion can be reduced by _____.

Subject contrast is affected by _____.

The best way to minimize magnification is to use a _____.

A high quality radiograph should always demonstrate _____.

What is the formula for the magnification factor?

Patient thickness affects image quality by affecting _____.

Optical density is primarily controlled by changing the _____.

Radiographic image quality is improved when the _____ is increased.

The inherent base density plus fog density in film is _____.

The base + fog of a film is shown below the _____ of the characteristic curve.

Which of these body parts has the highest subject contrast?

In general radiography,the useful optical densities lie between _____ and _____.

Focal spot blur can be reduced by using _____.