RADIOGRAPHIC IMAGING AND EXPOSURE CERTIFICATION ASSESSMENT 2026 TESTED QUESTIONS AND ANSWERS

RADIOGRAPHIC IMAGING AND EXPOSURE
CERTIFICATION ASSESSMENT 2026 TESTED
QUESTIONS AND ANSWERS

◉ A combination of rows and columns (array) of pixels is called a:
a. matrix.
b. field of view.
c. voxel.
d. liquid crystal display. Answer: a. matrix


◉ The size of a pixel is measured in:
a. centimeters.
b. inches.
c. angstroms.
d. microns.. Answer: d. microns


◉ Digital image quality is improved with:
a. larger size matrix and larger pixel bit depth
b. larger size matrix and smaller size pixels
c. larger pixel bit depth and smaller sizes pixels
d. All options are correct.. Answer: d. all options are correct

,◉ If the matrix size is increased for a fixed field of view (FOV):
a. the pixel size is increased.
b. the pixel size is decreased.
c. the pixel size is not affected.
d. the pixel pitch is increased. Answer: b. the pixel size is decreased


◉ If the matrix size is increased for a given FOV:
a. spatial resolution is increased.
b. spatial resolution is decreased.
c. spatial resolution is not affected.
d. contrast resolution is increased. Answer: a. spatial resolution is
increased


◉ If the FOV is 500 mm and the matrix size is 1024, what is the pixel
size?
a. 0.49 mm
b. 0.69 mm
c. 1.4 mm9
d. 2.1 mm. Answer: a. 0.49 mm

, ◉ The number of bits that determines the amount of precision in
digitizing the analog signal and the number of gray shades that can
be displayed in the image is the:
a. matrix.
b. bit depth.
c. binary code.
d. analog to digital converter.. Answer: b. bit depth


◉ A larger bit depth:
a. results in increased spatial resolution.
b. reduces the number of shades of gray.
c. increases the number of shades of gray.
d. decreases the size of the pixel. Answer: c. increases the number of
shades of gray


◉ A larger bit depth:
a. increases contrast resolution.
b. decreases contrast resolution.
c. has no effect on contrast resolution.
d. increases the pixel density.. Answer: a. increases contrast
resolution