CT Registry Image Production Exam Solved Correctly To Score A+
1. If the rotation time of a scan is decreased, what other increase mA
exposure parameter should be changed to
maintain the image quality?
-increase mA
-increase kVp
-decrease scan length
-decrease mA
2. Which component of the CT imaging system is respon- computer
system
sible for creating reconstructed image data?
-computer system
-data acquisition system
-detector array
-array processor
3. A single "view" acquired during a CT scan is also called projection
a
-slice
-projection
-detector
-attenuation reading
4. Acquisition thickness refers to the: coordinates?
-number of active detector rows -x-axis
-thickness of active detector rows
-thickness of reconstructed slices
-number of data collection channels
5. Shifting the center of a sagittal image
requires changes to which two data
, CT Registry Image Production Exam Solved Correctly To Score A+
thickness of active detec- tor rows
y and z
, CT Registry Image Production Exam Solved Correctly To Score A+
-y-axis
-z-axis
6. How is anatomical data from SFOV used for image reconstruction
during CT image production?
-for multiplanar reformations (MPR)
-for volume rendering (VR)
-for long-term image archival
-for image reconstruction
7. The inner rows of a non-uniform detector increased spatial
array have the advantage of resolu- tion
-increased contrast resolution
-increased spatial resolution
-decreased patient dose requirement
-decreased image noise
8. Acquiring a z-axis measurement of a pathology is pos- 1 and 3
sible in which two imaging planes?
1. sagittal
2. axial
3. coronal
9. Increasing the acquisition thickness of a combining detector
CT scan means: rows together to
function as
-combining detector rows together to function as one one detector
row
detector row
-increasing the displayed slice thickness
-combining reconstructed slices together to
form thicker slices
, CT Registry Image Production Exam Solved Correctly To Score A+
-increasing the space b/w spirals in the helix
10. 1.1 times the beam width
1. If the rotation time of a scan is decreased, what other increase mA
exposure parameter should be changed to
maintain the image quality?
-increase mA
-increase kVp
-decrease scan length
-decrease mA
2. Which component of the CT imaging system is respon- computer
system
sible for creating reconstructed image data?
-computer system
-data acquisition system
-detector array
-array processor
3. A single "view" acquired during a CT scan is also called projection
a
-slice
-projection
-detector
-attenuation reading
4. Acquisition thickness refers to the: coordinates?
-number of active detector rows -x-axis
-thickness of active detector rows
-thickness of reconstructed slices
-number of data collection channels
5. Shifting the center of a sagittal image
requires changes to which two data
, CT Registry Image Production Exam Solved Correctly To Score A+
thickness of active detec- tor rows
y and z
, CT Registry Image Production Exam Solved Correctly To Score A+
-y-axis
-z-axis
6. How is anatomical data from SFOV used for image reconstruction
during CT image production?
-for multiplanar reformations (MPR)
-for volume rendering (VR)
-for long-term image archival
-for image reconstruction
7. The inner rows of a non-uniform detector increased spatial
array have the advantage of resolu- tion
-increased contrast resolution
-increased spatial resolution
-decreased patient dose requirement
-decreased image noise
8. Acquiring a z-axis measurement of a pathology is pos- 1 and 3
sible in which two imaging planes?
1. sagittal
2. axial
3. coronal
9. Increasing the acquisition thickness of a combining detector
CT scan means: rows together to
function as
-combining detector rows together to function as one one detector
row
detector row
-increasing the displayed slice thickness
-combining reconstructed slices together to
form thicker slices
, CT Registry Image Production Exam Solved Correctly To Score A+
-increasing the space b/w spirals in the helix
10. 1.1 times the beam width
