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  • CT -- Computed Tomography
  • CT -- Computed Tomography
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Computed Tomography Exam Prep Questions with Accurate Answers

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Institution CT -- Computed Tomography
Course CT -- Computed Tomography
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A 64-slice MSCT system employs an array of 64 detectors, each with a dimension of 0.625 mm. What beam collimation is required to expose the middle 32 detectors of the array to transmitted x-radiation? A. 10 mm B. 20 mm C. 32 mm D. 64 mm correct answer B An acquisition is made on a 4-slice MSCT system with a detector array of 16 x 1.25-mm detector elements along the z-axis. With a selected beam width of 20 mm, what beam pitch would result in the table moving 35.00 mm for each rotation of the gantry? A. 1.0 B. 1.5 C. 1.75 D. 2.0 correct answer C An average range for activated partial thromboplastin time (PTT) is: A. 10-12 secs B. 17-21 secs C. 25-35 secs

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Computer Tomography Module#1 Study Guide
Questions With Accurate Answers
ALARA is an acronym for as low as reasonably achievable. correct answer true


All of the following are purposes of the image display, recording, storage, and
communication system except: correct answer enables scanning procedures.


Data acquisition refers to: correct answer collecting x-ray transmission readings
from the patient


Determining tissue types in CT slices is referred to as volume formation. correct
answer false


Gas-ionization detectors (xenon gas) are used in the majority of commercial CT
scanners today. correct answer false


Hardware modules include all of the following except: correct answer application
systems packages.


Hardware refers to the instructions or programs written for the computer to solve
problems in a specific way. correct answer false


In CT, correct answer a computer is used to reconstruct images of sectional
anatomy.


Sectional images are obtained from all of the following except: correct answer
conventional radiography.

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