Exam (elaborations)
Computed Tomography Imaging Questions and Answers 2024
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Computed Tomography Imaging
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Computed Tomography ImagingThe tissue most likely to have a CT number of +800 HU is: - answer Cortical bone
Which type of compute tomographic imaging technique is employed to provide 3D
reconstruction that demonstrates the relationship between vascular structures and the
surrounding organs and tissues? - answerCT angiography
When computed tomography is used as part of a therapeutic workup or treatment
program, it is important to: - answerEmploy the same position during imaging as in the
treatment
Prior to a scout computed tomographic examination of the abdomen, Buscopan or
Glucagon is administered to: - answerReduce motion artifacts
Which of the following has CT numbers in the range of +50 +75 HU? - answerSpleen
The main advantage associated with a reduction in the computed tomographic scan
time is: - answerA reduction in the patient motion
The principle reason a contrast-enhanced CT study is nearly always performed after the
non-contrast imaging is to: - answerLocalize the lesion or target organ
During CT imaging of the spine, in order to distinguish inter-spinal soft tissues, a high
contrast resolution can be maintained by use of: - answerThicker slices and reduced
image noise
A patient involved in a car accident is brought to the radiology department for CT scan
of the head. Which lesion is most readily detected on non-contrast images? -
answerAcute subdural hematoma
The most common detector used is a modern single or multi-slice CT scanner consists
of a: - answerScintillation crystal photodiode assembly
During CT imaging, the number of counts per picture element is NOT related to which of
the following: - answerThe temperature of the tissue
A pixel with a size of 2 millimeter refers to its size on the: - answerImaged structure
During CT imaging, if the counting statistics (precision) are kept consistent, the
increased resolution of a smaller voxel can be accomplished at the cost of a/an: -
answerLarger patient exposure
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