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Which of the following technical factors is primarily used to regulate subject contrast?

An AP abdomen projection was obtained using 85 kVp at 10 mAs. The resulting image demonstrated excessively low contrast, although the density was acceptable. What new technique could be used to obtain the projection with equal density but higher contrast?

An exposure recognition field algorithm is applied to the image data to1. distinguish the gray shade values inside the exposure field from those on the outside.2. ensure the histogram has the correct shape.3. identify the volume of interest before rescaling.4. identify the volume of interest after rescaling.5. reshape the histogram.

Most modern AEC systems provide a minimum response time of

When more than one ionization chamber is used simultaneously during exposure, the signal is

All of the following are true about histogram analysis errors except

When is the examination or body part selected when using the DR system?

As you are performing a KUB radiograph on a patient using AEC, you notice that your post-exposure readout is unusually high. A possible explanation for this high reading could be

The AEC master “density control” usually adjust the x-ray beam intensity by what increments?

At what level is the exposure indicator reading taken on the VOI?