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Practice Test ASRT CT Questions with Correct Answers Rated A
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Practice Test ASRT CT Questions with Correct Answers Rated A The z-axis refers to the ______ plane. a) coronal b) axial c) sagittal d) transverse - Correct Answer axial Generators are often times located within the gantry. These types of generators are typically: a) full wave/three...

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  • August 19, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • the z axis refers to the plane
  • generators are often times located within the gant
  • modern ct scanners rely on to process acquire
  • when the x y and z planes length width and heig

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  • ASRT
  • ASRT

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Practice Test ASRT CT Questions with Correct
Answers Rated A
The z-axis refers to the ______ plane.



a) coronal

b) axial

c) sagittal

d) transverse - Correct Answer axial



Generators are often times located within the gantry. These types of generators are typically:



a) full wave/three-phase.

b) medium frequency.

c) high frequency.

d) multiwave/two-phase. - Correct Answer high frequency



Modern CT scanners rely on ____ to process acquired data. - Correct Answer minicomputers



When the x, y and z planes (length, width and height) are equal, the volume data set is:

a) isotropic.

b) linear.

c) anisotropic.

d) rectangle-shaped. - Correct Answer isotropic



Which of the following factors decrease contrast resolution?

a) small FOV

b) smaller matrix size

c) smaller pixel size

d) higher mAs - Correct Answer smaller pixel size



Ct scanners x-ray tube voltages range from ____ to ___ kV

, a) 60, 100

b) 80, 120

c) 80, 140

d) 100, 160 - Correct Answer 80, 140



Which of the following conditions is an indication for a CT scan of the head without IV contrast?

a) stroke

b) aneurysm

c) metastatic disease

d) arteriovenous malformation - Correct Answer stroke



When performing a routine chest CT scan, the scanner should be zeroed with the laser light at the:

a) jugular notch

b) xiphoid tip

c) EAM

d)top of shoulders - Correct Answer top of shoulders



To view a CT image on a LCD monitor, data must undergo:

a) digital to analog conversion

b) analog to digital conversion

c) digitization

d) quantization - Correct Answer DAC



Which of the following is the MOST effective type of CT detector?

a) scintillation

b) xenon gas

c)linear array

d) photodiose - Correct Answer scintillation



If extravasation occurs, contrast can be dissipated by reducing its viscosity. This can be accomplished
by applying a:

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