CT TEST REVIEW - TEST LATEST
Q'S AND A'S FOR CT
REGISTRY PREP
What heart valve is located between the right atrium and right ventricle?
A. Mitral
B. Pulmonary
C. Aortic
D. Tricuspid - ANSWERS-D. Tricuspid
Beta blockers are likely used as part of a cardiac CT protocol when the:
A. patient has a history of iodine allergy
B. patient has asthma and is being treated with an albuterol inhaler
C. patient's heart rate is higher than 65 bpm
D. patient's heart rate is less than 60 bpm - ANSWERS-C. patient's heart
rate is higher than 65bpm
An imaging technique that attempts to acquire data only during cardiac
segments with the lowest cardiac motion is called:
A. a split bolus
B. prospective ECG triggering
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, CT TEST REVIEW - TEST LATEST
Q'S AND A'S FOR CT
REGISTRY PREP
C. retrospective ECG gating
D. electron beam CT - ANSWERS-B. prospective ECG triggering
A patient who is scheduled for a CT study has an irregular heartbeat
with a rate approximately 85bpm. For which clinical indication is this
the most problematic?
A. coronary artery disease
B. assessment of ventricular function
C. possible thoracic aortic dissection
D. evaluation of congenital aortic arch anomaly - ANSWERS-A.
coronary artery disease
Why is it recommended that cardiac CT calcium scoring be restricted to
patients with risk factors for coronary artery disease, rather than using it
as a screening tool for all patient's?
A. it has not proven to be an accurate measure of coronary artery
calcifications
B. a correlation has not been proven between a positive calcium score
and a future risk of developing heart disease
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, CT TEST REVIEW - TEST LATEST
Q'S AND A'S FOR CT
REGISTRY PREP
C. the examination is uncomfortable for the patient
D. risks related to the radiation dose are a concern; for asymptomatic
patients with no cardiac risk factors, it is not certain that the benefit of
the examination outweighs the risk from the radiation exposure -
ANSWERS-D. risks related to the radiation dose are a concern; for
asymptomatic patients with no cardiac risk factors, it is not certain that
the benefit of the examination outweighs the risk from the radiation
exposure
Although patient compliance can sometimes be a factor, what volume of
oral contrast is typically considered the minimum amount needed for a
routine CT study of the abdomen and pelvis?
A. 100ml
B. 400ml
C. 600ml
D. 1500ml - ANSWERS-C. 600ml
Which is a window level used to visualize subtle liver lesions?
A. 150ww;70wl
B. 350ww;50wl
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PAGE
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, CT TEST REVIEW - TEST LATEST
Q'S AND A'S FOR CT
REGISTRY PREP
C. 1500ww;-600wl
D. 2000ww;600wl - ANSWERS-A. 150ww; 70wl
A noncontrast CT of the abdomen is ordered on Mr. Smith. The primary
indication is a 15year history of alcoholism. What can the technologist
do to help the radiologist determine whether the patient has a fatty liver?
A. Administer IV contrast and repeat series
B. Administer additional oral contrast and repeat series
C. continue scanning through pelvis, even though a pelvic exam was not
ordered
D. Place a region of interest HU measurement within the liver and
spleen before filming - ANSWERS-D. place a region of interest HU
measurement within the liver and spleen before filming
The phase of liver enhancement that occurs 60-70 seconds after an IV
bolus contrast injection is called the:
A. early arterial phase
B. late arterial phase
C. portal venous phase
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4
Q'S AND A'S FOR CT
REGISTRY PREP
What heart valve is located between the right atrium and right ventricle?
A. Mitral
B. Pulmonary
C. Aortic
D. Tricuspid - ANSWERS-D. Tricuspid
Beta blockers are likely used as part of a cardiac CT protocol when the:
A. patient has a history of iodine allergy
B. patient has asthma and is being treated with an albuterol inhaler
C. patient's heart rate is higher than 65 bpm
D. patient's heart rate is less than 60 bpm - ANSWERS-C. patient's heart
rate is higher than 65bpm
An imaging technique that attempts to acquire data only during cardiac
segments with the lowest cardiac motion is called:
A. a split bolus
B. prospective ECG triggering
END OF
PAGE
1
, CT TEST REVIEW - TEST LATEST
Q'S AND A'S FOR CT
REGISTRY PREP
C. retrospective ECG gating
D. electron beam CT - ANSWERS-B. prospective ECG triggering
A patient who is scheduled for a CT study has an irregular heartbeat
with a rate approximately 85bpm. For which clinical indication is this
the most problematic?
A. coronary artery disease
B. assessment of ventricular function
C. possible thoracic aortic dissection
D. evaluation of congenital aortic arch anomaly - ANSWERS-A.
coronary artery disease
Why is it recommended that cardiac CT calcium scoring be restricted to
patients with risk factors for coronary artery disease, rather than using it
as a screening tool for all patient's?
A. it has not proven to be an accurate measure of coronary artery
calcifications
B. a correlation has not been proven between a positive calcium score
and a future risk of developing heart disease
END OF
PAGE
2
, CT TEST REVIEW - TEST LATEST
Q'S AND A'S FOR CT
REGISTRY PREP
C. the examination is uncomfortable for the patient
D. risks related to the radiation dose are a concern; for asymptomatic
patients with no cardiac risk factors, it is not certain that the benefit of
the examination outweighs the risk from the radiation exposure -
ANSWERS-D. risks related to the radiation dose are a concern; for
asymptomatic patients with no cardiac risk factors, it is not certain that
the benefit of the examination outweighs the risk from the radiation
exposure
Although patient compliance can sometimes be a factor, what volume of
oral contrast is typically considered the minimum amount needed for a
routine CT study of the abdomen and pelvis?
A. 100ml
B. 400ml
C. 600ml
D. 1500ml - ANSWERS-C. 600ml
Which is a window level used to visualize subtle liver lesions?
A. 150ww;70wl
B. 350ww;50wl
END OF
PAGE
3
, CT TEST REVIEW - TEST LATEST
Q'S AND A'S FOR CT
REGISTRY PREP
C. 1500ww;-600wl
D. 2000ww;600wl - ANSWERS-A. 150ww; 70wl
A noncontrast CT of the abdomen is ordered on Mr. Smith. The primary
indication is a 15year history of alcoholism. What can the technologist
do to help the radiologist determine whether the patient has a fatty liver?
A. Administer IV contrast and repeat series
B. Administer additional oral contrast and repeat series
C. continue scanning through pelvis, even though a pelvic exam was not
ordered
D. Place a region of interest HU measurement within the liver and
spleen before filming - ANSWERS-D. place a region of interest HU
measurement within the liver and spleen before filming
The phase of liver enhancement that occurs 60-70 seconds after an IV
bolus contrast injection is called the:
A. early arterial phase
B. late arterial phase
C. portal venous phase
END OF
PAGE
4
