True or False: the image algorithm used by current CT systems is filtered back projection or iterative. -
correct answer ✔✔true
Modern day CT scanners (ex- 64 slice) closest resemble which generation?
, a. third
b. fourth
c. second - correct answer ✔✔a. third
Pixel size is computed by:
a. FOV divided by matrix size
b. FOV squared multiplied by matrix size
c. FOV squared divided by matrix size
d. FOV multiplied by matrix size - correct answer ✔✔a. FOV divided by matrix size
Fourth generation scanners had ________ worth of detectors?
a. 90 degrees
b. 180 degrees
c. 360 degrees - correct answer ✔✔c. 360 degrees
Filtration removes __________ wavelengths that do not play a role in CT image formation.
a. short
b. long - correct answer ✔✔b. long
_____________ assigns an integer resulting in a digital image.
a. sampling
b. quantization - correct answer ✔✔b. quantization
When comparing a 512x512 matrix to a 1024x1024 matrix, the 1024x1024 matrix:
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