COMPUTED TOMOGRAPHY REGISTRY PREP - FINAL W/CHOL KIM EXAM UPDATE WITH MULTIPLE CHOICE QUESTIONS, CORRECTLY ANSWERED & GRADED A+ |VERIFIED AND BRAND NEW!!!

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
,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ANS: c ,l ,l ,l




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
,l ,l




c. +44 HU
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d. +1044 HU
,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ANS: c ,l ,l ,l




A CT system measures the average linear attenuation coefficie
,l ,l ,l ,l ,l ,l ,l ,l


nt of a voxel of tissue to be 0.189. The linear attenuation coeffic
,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l ,l


ient of water for the scanner equals 0.181.
,l ,l ,l ,l ,l ,l ,l




The CT number assigned to the pixel representing this voxel of
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tissue equals: ,l




a. -956 HU
,l ,l




b. -173 HU
,l ,l




c. +44 HU
,l ,l




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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