CT Module 7 Exam Questions With complete
solutions
What condition is an indication for a CT scan of the head without intravenous contrast? - VERIFIED
ANSWER✔✔-stroke
When scanning the head/brain, which radiographic baseline should be oriented parallel to the axial scan plane? -
VERIFIED ANSWER✔✔-orbitomeatal line
Which term refers to the center of the scan field? - VERIFIED ANSWER✔✔-isocenter
The scout (topogram) image for a CT of the head must include ___________ through the vertex of the skull. -
VERIFIED ANSWER✔✔-C1
For a head CT exam, a scan field of view of ______ and a display field of view of _______ are recommended. -
VERIFIED ANSWER✔✔-25 cm; 25 cm
For a spiral/helical head CT scan using a multidetector configuration the recommended pitch is: - VERIFIED
ANSWER✔✔-0.7 to 1.0
A standard window width of _______ is used to demonstrate brain tissue. - VERIFIED ANSWER✔✔-80-100
When scanning a head with IV contrast, a scan delay of ________ is recommended. - VERIFIED ANSWER✔✔-
3-4 minutes
A topogram for a CT scan of the neck must include the _________ to the _______. - VERIFIED ANSWER✔✔-
vertex of the skull to mid-chest
For a CT scan of the neck, the recommended DFOV is __________ cm and the SFOV is ______cm. - VERIFIED
ANSWER✔✔-22-25; 50
For a routine CT scan of the neck, the gantry should: - VERIFIED ANSWER✔✔-not be angled
The recommended slice thickness for a routine CT scan of the neck is ___ mm. - VERIFIED ANSWER✔✔-2.5
to 3
When performing a routine CT scan of the neck, which pitch would result in the highest resolution? - VERIFIED
ANSWER✔✔-0.7
When performing a routine CT scan of the neck, which would result in the highest patient dose? - VERIFIED
ANSWER✔✔-0.7
When performing a routine chest CT scan, the scanner should be zeroed with the laser light at the: - VERIFIED
ANSWER✔✔-top of the shoulders
For a routine chest CT scan, the recommended SFOV is ___ cm. - VERIFIED ANSWER✔✔-50
For a routine chest CT, the recommended pitch is: - VERIFIED ANSWER✔✔-0.8 to 1.35
Which window width/window level would be appropriate to display the lungs and air-filled spaces on a routine
chest CT scan? - VERIFIED ANSWER✔✔-WW 1500; WL 600
For postprocessed 3-D images of a chest CT angiogram (CTA), which pitch would provide images with the
solutions
What condition is an indication for a CT scan of the head without intravenous contrast? - VERIFIED
ANSWER✔✔-stroke
When scanning the head/brain, which radiographic baseline should be oriented parallel to the axial scan plane? -
VERIFIED ANSWER✔✔-orbitomeatal line
Which term refers to the center of the scan field? - VERIFIED ANSWER✔✔-isocenter
The scout (topogram) image for a CT of the head must include ___________ through the vertex of the skull. -
VERIFIED ANSWER✔✔-C1
For a head CT exam, a scan field of view of ______ and a display field of view of _______ are recommended. -
VERIFIED ANSWER✔✔-25 cm; 25 cm
For a spiral/helical head CT scan using a multidetector configuration the recommended pitch is: - VERIFIED
ANSWER✔✔-0.7 to 1.0
A standard window width of _______ is used to demonstrate brain tissue. - VERIFIED ANSWER✔✔-80-100
When scanning a head with IV contrast, a scan delay of ________ is recommended. - VERIFIED ANSWER✔✔-
3-4 minutes
A topogram for a CT scan of the neck must include the _________ to the _______. - VERIFIED ANSWER✔✔-
vertex of the skull to mid-chest
For a CT scan of the neck, the recommended DFOV is __________ cm and the SFOV is ______cm. - VERIFIED
ANSWER✔✔-22-25; 50
For a routine CT scan of the neck, the gantry should: - VERIFIED ANSWER✔✔-not be angled
The recommended slice thickness for a routine CT scan of the neck is ___ mm. - VERIFIED ANSWER✔✔-2.5
to 3
When performing a routine CT scan of the neck, which pitch would result in the highest resolution? - VERIFIED
ANSWER✔✔-0.7
When performing a routine CT scan of the neck, which would result in the highest patient dose? - VERIFIED
ANSWER✔✔-0.7
When performing a routine chest CT scan, the scanner should be zeroed with the laser light at the: - VERIFIED
ANSWER✔✔-top of the shoulders
For a routine chest CT scan, the recommended SFOV is ___ cm. - VERIFIED ANSWER✔✔-50
For a routine chest CT, the recommended pitch is: - VERIFIED ANSWER✔✔-0.8 to 1.35
Which window width/window level would be appropriate to display the lungs and air-filled spaces on a routine
chest CT scan? - VERIFIED ANSWER✔✔-WW 1500; WL 600
For postprocessed 3-D images of a chest CT angiogram (CTA), which pitch would provide images with the
