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Computed tomography Questions and Correct Answers/ Latest Update / Already Graded

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Define computed tomography Ans: the process of creating a cross sectional tomographic plane of any part of the body The xray tube________around the patient or part Ans: rotates: detector assembly,algorithm, matrix, liquid crystal display(LCD) or cathode ray tube (CRT) list the 3 major compoents of a ct scanner Ans: gantry, computer and operator console, patient table what is multiplanar reconstruction? 2 | Page Ans: a digital postprocessing technique that has the ability to reconstruct CT axial images into toher planes without additional radiation to the patient what are the 3 most commonly requested CT procedures? Ans: head, chest and abdomen

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Computed tomography Questions and
Correct Answers/ Latest Update /
Already Graded
Define computed tomography


Ans: the process of creating a cross sectional tomographic plane of any

part of the body




The xray tube________around the patient or part


Ans: rotates: detector assembly,algorithm, matrix, liquid crystal

display(LCD) or cathode ray tube (CRT)




list the 3 major compoents of a ct scanner


Ans: gantry, computer and operator console, patient table




what is multiplanar reconstruction?

, 2 | Page

Ans: a digital postprocessing technique that has the ability to reconstruct

CT axial images into toher planes without additional radiation to the

patient




what are the 3 most commonly requested CT procedures?


Ans: head, chest and abdomen




By what three routes is contrast introduced for CT procedures?


Ans: IV, orally or rectally




why are power injectors needed for CT contrast procedures?


Ans: faster scans require faster contrast delivery




What are the 4 main factors that affect CT image quality?


Ans: spatial resolution, contrast resolution, noise, artifacts




the amount of blurring in a CT image is described as?

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