RADR 2205 UNIT 1 Final Review

Preprocessing the digital image is done manually, and post-processing is done automatically.

• True

• False

The science of ______________ is the study of the response of the human eye to light.

• photometry

• optometry

• ophthalmology

• physiology

What is the basic photometric unit?

• Lumen

• Candela

• Lux Nit

Which advanced function uses a histogram-type graph to differentiate various structures using different colors that represent each of the intensities in the image?

• VRT

• MPR

• PACS

• MIP

Takes place in the computer where the algorithms determine the image histogram

• Postprocessing

• Query

• Preprocessing

• Histogram Analysis

Software correction that is performed to equalize the response of each pixel to a uniform x-ray beam.

• Flatfielding

• Equilization

• Pixel Sampling

• Pixel Pitch

Any false visual feature on a medical image that simulates tissue or obscures tissue

• Object

• Pathology

• Image Blur

• Artifact

Choose the three sources of image artifact:

• IR

• Software

• Body Habitus

• Object

If at least 3 edges are not identified a _______ error occurs.

• Histogram Analysis

• Histogram Detector

• Pixel Analysis

• Pixel Detector

Histogram x-axis

• Pixel Values

• Number of pixels in each value

• White Tones

• Black Tones