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RADT 1075 Exam #1 Questions and Answers
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An increased part thickness results in: - Answer-increased beam attenuation ( beam absorption) A body tissue with an increased tissue density results in: - Answer-increased beam attenuation Unwanted exposure to the IR due to scatter radiation is called: - Answer-fog Brightness/density is a...

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  • October 9, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • radt 1075 exam 1 questions and answers
  • an increased part thickness results in answer i

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  • Registered Drug And Alcohol Technician
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RADT 1075 Exam #1 Questions and
Answers
An increased part thickness results in: - Answer-increased beam attenuation ( beam
absorption)

A body tissue with an increased tissue density results in: - Answer-increased beam
attenuation

Unwanted exposure to the IR due to scatter radiation is called: - Answer-fog

Brightness/density is a quality related to the _____________ of the radiographic image.
- Answer-Visibility of structures

Contrast is a quality related to the ______ of the radiographic image - Answer-Visibility
of structures

The amount of luminance of a display monitor is: - Answer-brightness

The overall blackness on the processed film image is: - Answer-density

Difference in the brightness levels or densities is: - Answer-image contrast

The number of shades of gray that can be displayed by a computer system is: - Answer-
Grayscale

A radiographic image with a large number of similar densities that have small
differences between them: - Answer-All the above: appears gray, has long scale
contrast, has low contrast

The quality of a radiographic image depends on:

A. Brightness - visibility of analog mic structures
B. Accuracy of the recorded an atomic structural lines
C. Contrast - visibility of an atomic structures - Answer-A,B and C

The smallest object that can be detected in an image is the: - Answer-spatial resolution
( recoded detail )

The accuracy of the anatomical structural lines recorded in the radiographic image is
determined: - Answer-Spatial resolution

Radiographic misrepresentation of the size or shape of the anatomic structure being
imaged is:

, A. Magnification
B. Elongation
C. Foreshortening
D. All of the above - Answer-All of the above

Shape distortion includes:

A. Magnification
B. Elongation
C. Size distortion
D. All of the above - Answer-Elongation

As seen on the radiographic image, scatter radiation: - Answer-decreases the visibility
of anatomic structures

With radiographic imaging, anatomic tissues, such as bone, that absorb most of the
radiation result in that area of the image being: - Answer-lighter (less density)

The three primary geometric factors affecting image quality are
____________________ - Answer-magnification, distortion, and focal spot blur

What is the formula for magnification factor? - Answer-MF = SID/SOD

Focal spot blur can be reduced by using ________________ - Answer-small focal spot

Radiographic image quality is improved when the _______________ is increased. -
Answer-source image distance

The technologist primarily controls radiographic contrast by varying the __________ -
Answer-kilovoltage

Changes in kVp affect:

A. Optical density
B. Image contrast
C. Image noise
D. All of the above - Answer-optical density, image contrast, image noise

Beam penetrability is increased if _____ is/are increased.


A. mAs
B. SID
C. kVp
D. All of the above - Answer-kVp

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