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Mosby's CT Review EXAM QUESTIONS
AND WELL VERIFIED -ANSWER--S
REAL EXAM !!! 2025
which of the following technical factors exhibit an effect upon longitudinal
spatial resolution?
1) detector collimation
2) detector pitch
3) interpolation algorithm - -ANSWER--1, 2, and 3
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for a given CT acquisition, the calculated mAs applied to each reconstructed
slice may be referred to as the: - -ANSWER--effective mAs
during HRCT of the lungs, image acquisition upon full expiration may be
trapping from copd performed to improve demonstration of: - -ANSWER--
air
the computer technique used to reduce the size and storage requirements of
digital CT image data is called: - -ANSWER--compression
during post-contrast CT imaging of the abdomen, the degree of hepatic
parenchymal enhancement depends on:
1) the iodine concentration of the contrast agent
2) the rate of contrast agent injection
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3) the osmolality of the contrast medium - -ANSWER--1 and 2
which of the following will serve to decrease the noise of a CT image? - -
ANSWER--decrease the slice thickness
which of the following terms best describes the artifact present in the image?
- -ANSWER--edge gradient
which of the following is not a typical matrix size used with a modern CT
scanner? - -ANSWER--80x80
the spatial resolution of a CT scanner is usually given in the unit of measure:
- -ANSWER--lp/cm (line pair per cm)
number 6 corresponds to which of the following? - -ANSWER--rectum
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a suction unit used on a patient with a chest tube should always remain: - -
ANSWER--below the patient
number 4 corresponds to which of the following? - -ANSWER--cerebellum
which of the following units is used to quantify effective dose? - -ANSWER--
sieverts (Sv)
the primary advantage of an isotropic MDCT data-set is: - -ANSWER--
highquality multiplaner reformats
the ability of an MDCT system to freeze heart motion during a cardiac CT is
described by its: - -ANSWER--temporal resolution
Mosby's CT Review EXAM QUESTIONS
AND WELL VERIFIED -ANSWER--S
REAL EXAM !!! 2025
which of the following technical factors exhibit an effect upon longitudinal
spatial resolution?
1) detector collimation
2) detector pitch
3) interpolation algorithm - -ANSWER--1, 2, and 3
,2|Page
for a given CT acquisition, the calculated mAs applied to each reconstructed
slice may be referred to as the: - -ANSWER--effective mAs
during HRCT of the lungs, image acquisition upon full expiration may be
trapping from copd performed to improve demonstration of: - -ANSWER--
air
the computer technique used to reduce the size and storage requirements of
digital CT image data is called: - -ANSWER--compression
during post-contrast CT imaging of the abdomen, the degree of hepatic
parenchymal enhancement depends on:
1) the iodine concentration of the contrast agent
2) the rate of contrast agent injection
,3|Page
3) the osmolality of the contrast medium - -ANSWER--1 and 2
which of the following will serve to decrease the noise of a CT image? - -
ANSWER--decrease the slice thickness
which of the following terms best describes the artifact present in the image?
- -ANSWER--edge gradient
which of the following is not a typical matrix size used with a modern CT
scanner? - -ANSWER--80x80
the spatial resolution of a CT scanner is usually given in the unit of measure:
- -ANSWER--lp/cm (line pair per cm)
number 6 corresponds to which of the following? - -ANSWER--rectum
, 4|Page
a suction unit used on a patient with a chest tube should always remain: - -
ANSWER--below the patient
number 4 corresponds to which of the following? - -ANSWER--cerebellum
which of the following units is used to quantify effective dose? - -ANSWER--
sieverts (Sv)
the primary advantage of an isotropic MDCT data-set is: - -ANSWER--
highquality multiplaner reformats
the ability of an MDCT system to freeze heart motion during a cardiac CT is
described by its: - -ANSWER--temporal resolution
