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NMTCB BOARD EXAM QUESTIONS AND ANSWERS RATED A+
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Exam of 11 pages for the course NMTCB at NMTCB (NMTCB BOARD EXAM)
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NMTCB BOARD EXAMSPECT QC - answer Energy Peak 2.uniformity Resolution Linearity Center of Rotation
COR high - count extrinsic flood field uniformity correction Jaszczak
Center of Rotation COR - - answerNTRADY12 COR reduces spatial resolution &
blurring Image contrast a measure Performed to ensure center field of view of camera
detect or matches computer software
High count extrensic flood - field uniformity correction - answer Performed directly by
manufacturer used to ensure efficiency photon defection is constant across an surface
of collimated detector . -30-100 mil . counts deficiency causes ring artifact in SPECT
Imaging
Jaszczak SPECT Phantom test - - answer Jaszczak determines 3D contrast , resolut
von , & uniformity of SPECT camera . - 30mil.counts
Combined SPECT CT QC - answer Includes all QC + Registration attenuation
correction accuracy or mis registration consequences
SPECT QC NMTCB - answerSPECT / CT QC 1. Peak 2. uniformity 3. Resolution 4.
Untarity 5. High Count extrinsic floodfield uniformity Correction B 6 COR Dopamos 7.
Jaszczak 8.Source strength 9.Transmission source mechanics
Energy Peak - answerconfirm the camera is counting Photon in the Proper energy
Windows .
-Transmission source mechanics - answerconfirm operation of the source Shutter &
translating mechanics , & reference blank transmission Scan should be acquired .
Weekly ( preferably daily)
SPECT / CT X - ray based NMTCB QC - answer- all spect / CT QC including CT QC
1.Calibration 2.field uniformity Calibration CT number inserted Phantom L considerd not
calibrated if error is greater than 5 Hounsfield units Field uniformity ensures uniform
response throughout FOV -
Brain Perfusion raphas - answerRapha Team Exametazine ECD , Dicisate , Cretec
HMPAO
Brain perfusion dose - answer10-20mCi
, Brain perfusion Indications - answer1. cerebrovascular disease - acute stroke transient
ische- mic attacks 2. Dementia - Alzheimer's disease , multi - infarct dementia 3.
Psychiatric disorder - affective disorder ( depre && Von Schizophrenia 4. Seizure
disorder - idenification & location of focal epilepsy sites 5. Head Trauma ( cerebral brain
death )
Brain perfusion imaging time - answer15-20min post injection (preferably @ 45min)
Brain cross sections - answerMans axial Coronal sagital
PET Oncology rapha - answerF18- FDG
FDG-F18 dose - answer5-20mCi intravenously
FDG-F18 pt questions - answerPt History , surgenes , chemo radiation therapy ,
previous Imaging results , Pt . cooperation lying still for hrs & arms up . Laxative may
given night before to prevent bowel inter ferring Blood Glucose Less than 200mcg
Bone pain associated w / metastatic bone disease raphas - answerSr 89 Sm 153 P32
ST89 Chloride half life - answer50.5day
ST89 Chloride analog - answer-calcium analog cleared from blood stream & localizes in
bont
SR89 Chloride localization - answer-localizes in areas of active osteogenesis in
metastatic Sites longer than in normal bone
-Sr 89 dose - answer40-60uCi & repeat dose @ 12 weeks
Moving a pt from wheelchair to bed; wheelchair is in what degree - answer45°
Filters that get rid of star artifact - answerRamp filter, high pass filter
Method of administration for breast - answerIntradermal
Major Radioactive spills activities - answer1mCi of I131, P32, Sr89
10mCi of Ga68, In111, I123
100mCi of Tc99m, TI201
Furosemide (Lasix) contraindications - answerAnuria, hypersensitivity, hypovolemia,
hypokalemia
Acceptable dose range - answer+/- 20%
Bone Rapha - answerTc99m MDP & HDP
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