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TEST: Image Fusion
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1. Which one of the following is
an important benefit from implementing image fusion for PET? Increases cost by reducing equivocal studies Decreases diagnostic accuracy Correlates with multiple modalities to improve diagnostic accuracy
Eliminates the need for biopsy |
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2. The purpose of Image Fusion is...:To combine functional and anatomical imaging Provide functional information from CT scan Provide anatomical data from PET scan To
eliminate the need for a biopsy of suspicious lesion |
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3. The requirements to transfer image data utilizing DICOM include all but: Properly configured network connections Compatibility of systems Internet
explorer
Coordination with CT, MRI sections |
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4. Three types of image fusion include...:
Virtual, digitized, analog Visual, software, hardware Transmission, emission, attenuation corrected None of the above |
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5.
Attenuation Correction is used
to Improve visualization of deep structures Correct for patient motion during emission scan
Correct for decay of positrons Calculate
standardized uptake value of tumors |
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6. Accuracy in image fusion depends on all of the following except...: Patient
positioning Isotope
injected Internal organ movement Attenuation correction artifacts Errors in fusion procedure |
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7. Based on an increase in F-18 FDG uptake...: Most malignant lesions can be distinguished clearly from background activity
Uptake time is decreased to 10 minutes
Benign
lesions will have increased uptake that is more pronounced than muscle
activity |
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8. Patient Preparation for PET imaging with F-18 FDG includes: Instructing patient to eat a meal high in sugar to aid in the F-18 FDG uptake Patient orally ingesting the F-18 FDG one hour before test Have the patient NPO for a minimum of 4-6 hours before injection of F-18 FDG Asking the patient to exercise for 30 minutes the morning of the PET scan None
of the Above |
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9. Positioning a patient for a whole body PET scan with F-18 FDG requires?: The patient to void between the transmission and emission scan The patient to be repositioned between the PET and CT or transmission scan Perfect centering of the target organ for counting efficiency All pillows and positioning devices to be removed before the scan begins to avoid artifacts The
patient to be scanned with arms up for the emission and down at the side for
the transmission or attenuation correction portion of the scan |
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10. Accurate standardized uptake values (SUV) measurements depend upon...: The patient’s diagnosis The
amount the patient voids before scan The amount of hydration given to the patient before the scan Accurate record of activity injected, patient demographics and injection to scan time
The
time of day the patient is scheduled to be injected |
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