CCDS test questions
Fluoroscopy operators should use the acquisition, or cine, mode sparingly
because about _____ times more radiation per frame is needed to obtain
diagnosticquality images than the fluoroscopy mode.
Your Answer
5
10
15
20 - Correct Answer ✔️✔️
Which of the following are advantages of flat-panel detector fluoroscopy
systems?1. They are less expensive than image intensifier systems.2. They offer
less image distortion.3. They allow more space for practitioners to maneuver.
Your Answer
1 and 2
1 and 3
,2 and 3
1, 2, and 3 - Correct Answer ✔️✔️2 and 3
Image processing techniques available with digital fluoroscopy to enhance image
quality include:1. last-image hold.2. gray-scale processing.3. temporal frame
averaging. - Correct Answer ✔️✔️1, 2, and 3
The most common radiography/fluoroscopy (R/F) system configuration contains
a(an):
Your Answer
undertable x-ray tube.
overtable x-ray tube.
ceiling-mounted C-arm.
floor-mounted C-arm. - Correct Answer ✔️✔️Undertable
Using the pulsed mode to reduce dose only works if the radiation exposure is set:
Your Answer
for the correct examination type.
,at a low frame rate.
at a high frame rate.
for the correct examination date. - Correct Answer ✔️✔️low frame rate
During fluoroscopy, the image intensifier should be as close to the patient as
possible to:1. reduce patient dose.2. improve image quality.3. increase
magnification.
Your Answer
1 and 2
1 and 3
2 and 3
1, 2 and 3 - Correct Answer ✔️✔️1 and 2
Which of the following steps usually occurs first in digital subtraction
angiography?
Your Answer
subtracting the mask image from the contrast image
, acquiring the mask image
demonstrating the vessels of interest
injecting a contrast medium - Correct Answer ✔️✔️acquiring the mask
image
To reduce motion blur, the pulse width should be no greater than _____
milliseconds in infants and children.
Your Answer
2-3
3-4
4-5
5-6 - Correct Answer ✔️✔️4-5 ms
What is the protective outer layer of the eyeball, or globe?
Your Answer
tunica fibrosa
tunica vasculosa
Fluoroscopy operators should use the acquisition, or cine, mode sparingly
because about _____ times more radiation per frame is needed to obtain
diagnosticquality images than the fluoroscopy mode.
Your Answer
5
10
15
20 - Correct Answer ✔️✔️
Which of the following are advantages of flat-panel detector fluoroscopy
systems?1. They are less expensive than image intensifier systems.2. They offer
less image distortion.3. They allow more space for practitioners to maneuver.
Your Answer
1 and 2
1 and 3
,2 and 3
1, 2, and 3 - Correct Answer ✔️✔️2 and 3
Image processing techniques available with digital fluoroscopy to enhance image
quality include:1. last-image hold.2. gray-scale processing.3. temporal frame
averaging. - Correct Answer ✔️✔️1, 2, and 3
The most common radiography/fluoroscopy (R/F) system configuration contains
a(an):
Your Answer
undertable x-ray tube.
overtable x-ray tube.
ceiling-mounted C-arm.
floor-mounted C-arm. - Correct Answer ✔️✔️Undertable
Using the pulsed mode to reduce dose only works if the radiation exposure is set:
Your Answer
for the correct examination type.
,at a low frame rate.
at a high frame rate.
for the correct examination date. - Correct Answer ✔️✔️low frame rate
During fluoroscopy, the image intensifier should be as close to the patient as
possible to:1. reduce patient dose.2. improve image quality.3. increase
magnification.
Your Answer
1 and 2
1 and 3
2 and 3
1, 2 and 3 - Correct Answer ✔️✔️1 and 2
Which of the following steps usually occurs first in digital subtraction
angiography?
Your Answer
subtracting the mask image from the contrast image
, acquiring the mask image
demonstrating the vessels of interest
injecting a contrast medium - Correct Answer ✔️✔️acquiring the mask
image
To reduce motion blur, the pulse width should be no greater than _____
milliseconds in infants and children.
Your Answer
2-3
3-4
4-5
5-6 - Correct Answer ✔️✔️4-5 ms
What is the protective outer layer of the eyeball, or globe?
Your Answer
tunica fibrosa
tunica vasculosa
