NMTCB-PET BOARDS PREP WITH COMPLETE SOLUTIONS

NMTCB-PET BOARDS PREP WITH
COMPLETE SOLUTIONS
What PET scintillation crystal is used most? - ANSWER-BGO

How is PET spatial resolution determined? - ANSWER-by size of crystals and their
separation

What is a true coincidence event? - ANSWER-2 annihilation photons from a single
annihilation interaction striking 2 detectors at the same time

What is a random coincidence event? - ANSWER-2 atoms from 2 different annihilation
events

Which matrix is the most commonly used imaging matrix in PET? - ANSWER-128x128

Which matrix is most commonly used for PET QC? - ANSWER-256x256

In PET/CT, what is the CT component used for? - ANSWER-anatomical correlation and
attenuation correction

SUV - ANSWER-standard uptake value

What is SUV used for? - ANSWER-Quantifying physiologic process

Above what value is physiology considered malignant? - ANSWER-2.0 cps/voxel

What is the most commonly used radionuclide for PET imaging? - ANSWER-F18-FDG

3D imaging does not used "septa" to reduce image noise-- what is used instead? -
ANSWER-electronic collimation

Positron - ANSWER-Positively charged electron

What is the proton/neutron ration for a positron emitter? - ANSWER-proton rich, neutron
poor


Which event looks like a true event, but creates a false coincidence? - ANSWER-A:
Scatter
B: True event
C: Random event **
D: Noise event