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CT: Image Production questions with 100% correct answers
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CT: Image Production
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CT: Image Productionpitch - correct answer ✔✔With spiral CT imaging, which of the following describes the relationship
between slice thickness and table travel during one tube rotation?
smaller pixel size and thinner slice thickness - correct answer ✔✔Which of the following can help to
improve spatial resolution?
contrast resolution - correct answer ✔✔The capability of the CT scanner to discriminate small
differences in tissue contrast is called:
SSD - correct answer ✔✔Which of the following is another name for surface rendering?
digital-to-analog conversion - correct answer ✔✔In order to view a CT image on a LCD monitor, data
must first go through which step?
1,2, and 3 - correct answer ✔✔The purpose of the CT imaging system is to:
1) convert x-rays to digital data
2) detect and measure the radiation transmitted through the patient
3) produce, shape, and filter the x-ray beam
inside the gantry; between the detectors and computer - correct answer ✔✔Which best describes the
location of the data acquisition system (DAS)?
1, 2, 3, and 4 - correct answer ✔✔Which of the following determines image quality?
1) spatial resolution
2) contrast resolution
3) noise
4) artifacts
, CT detectors - correct answer ✔✔Where does sampling occur?
aliasing - correct answer ✔✔Poor sampling of the signal to be digitized by the ADC will result in which of
the following artifacts?
maximum intensity projection - correct answer ✔✔Which of the following is a technique used to view
vessels demonstrated in CT angiography?
slip rings - correct answer ✔✔Which of the following made spiral-helical CT scanning possible?
C. universally adopted standard for storage and exchange of radiographic image - correct answer
✔✔Which of the following best describes DICOM?
A. the process of storing images in a PACS system
B. type of magnetic tape used to store data
C. universally adopted standard for storage and exchange of radiographic image
D. specific, geometric arrangement of computers in a network
convolution - correct answer ✔✔Which of the following terms describes the process of applying a filter
function (kernels, smoothing, or edge enhancement) to raw data?
voxel - correct answer ✔✔Which of the following is a three-dimensional volume of tissue?
dynamic range - correct answer ✔✔Which of the following terms refers to the accuracy of response to
low- and high-energy radiation?
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