PRINCIPLES OF OPERATION

Question 1

 Plane of the image is parallel to the long
axis of the body
 Produces sagittal and coronal images

Answer 1

CONVENTIONAL/AXIAL TOMOGRAPHY

Question 2

 A transaxial/transverse image

Answer 2

CT IMAGE

Question 3

 It refers to movement of source-detector
assembly across the patient
 Results in a projection

Answer 3

TRANSLATION/SWEEP

Question 4

represents the attenuation
pattern of patient profile

Answer 4

Projection:

Question 5

: has a dynamic range of 12
bits (4096 gray levels)

Answer 5

Detector signal

Question 6

 An intensity profile

Answer 6

PROJECTION

Question 7

 Computer-adapted mathematical calculation
applied to raw date during image
reconstruction

Answer 7

ALGORITHM

Question 8

 Creation of an image from date

Answer 8

RECONSTRUCTION

Question 9

 Time needed for the computer to present a
digital image after an examination has been
computed
 Time between the end of imaging and the
appearance of an image

Answer 9

RECONSTRUCTION TIME