COMPUTED TOMOGRAPHY REGISTRY PREP -
FINAL W/CHOL KIM EXAM UPDATE WITH
MULTIPLE CHOICE QUESTIONS, CORRECTLY
ANSWERED & GRADED A+ |VERIFIED AND
BRAND NEW!!!
A CT angiogram of the neck is performed primarily for the eva
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luation of the: ,l ,l
a. carotid vein
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b. jugular vein
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c. carotid arteries
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d. coronary arteries
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A CT system measures the average linear attenuation coefficie
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nt of a voxel of tissue to be 0.008. The linear attenuation coeffic
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ient of water for this scanner equals 0.181. The CT number assi
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gned to the pixel representing this voxel of tissue equals:
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a. -956 HU
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b. -173 HU
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c. 44 HU
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d. 1044 HU
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,A CT system measures the average linear attenuation coefficie
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nt of a voxel of tissue to be 0.189. The linear attenuation coeffic
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ient of water for teh scanner equals 0.181.
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The CT number assigned to the pixel representing this voxel of
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tissue equals: ,l
a. -956 HU
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b. -173 HU
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c. +44 HU
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d. +1044 HU
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A CT system measures the average linear attenuation coefficie
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nt of a voxel of tissue to be 0.189. The linear attenuation coeffic
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ient of water for the scanner equals 0.181.
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The CT number assigned to the pixel representing this voxel of
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tissue equals: ,l
a. -956 HU
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b. -173 HU
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c. +44 HU
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d. +1044 HU
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A noncontrast CT of the abdomen is ordered on Mr. Smith. Th
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e primary indication is a 15-
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,year history of alcoholism. What can the technologist do to hel
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p the radiologist determine whether the patient has a fatty liver
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?
a. Administer IV contrast and repeat the series
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b. Administer additional oral contrast and repast the series
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c. Continue scanning through the pelvis, even though a pelvic exa
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mination was not ordered. ,l ,l ,l
d. Place a region of interest HU measurement within the liver and s
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pleen before filming ANS: d
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A noncontrast CT of the abdomen is ordered on Mr. Smith. Th
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e primary indication is a 15-
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year history of alcoholism. What can the technologist do to hep
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the radiologist determine whether the patient has a fatty liver?
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a. Administer IV contrast and repeat the series
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b. Administer additional oral contrast and repeat the series.
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c. Continue scanning through the pelvis, even though a pelvic exa
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mination was not ordered. ,l ,l ,l
d. Place a region of interest HU measurement within the lever and s
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pleen before filming. ,lANS: d ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l
A patient is being positioned for a routine scan of the brain. W
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hy is he asked to tuck his chin down toward his chest?
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, a. So that the scan time can be reduced
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b. to allow immobilization sponges to be used
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c. to reduce the radiation exposure to the lens of the eyes
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d. To eliminate the need to tilt the gantry so that the axial scan mod
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e can be used
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A patient who is scheduled for a CT study has an irregular hea
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rtbeat with a rate of approximately 85 bpm. For which clinical
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indication is this the most problematic? ,l ,l ,l ,l ,l
a. Corortery disease
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b. Assessment of ventricular function
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c. Possible thoracic aortic dissection
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d. Evaluation of congenital aortic arch anomaly.
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A portion of a herniated intervertebral disc that has migrated f
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rom its normal position is called a(n):
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a. bulging disc
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b. sequestered disc
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c. osteophyte
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d. protrusion
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