Overall patient care, treatment, Patient satisfaction.
2.
What is the primary assessment of camera performance?
A.
Flood field uniformity
B.
Extrinsic flood
C.
Intrinsic flood
D.
Peaking
3.
What is Peaking?
A.
Assessment of the overall voltage of the camera in relation to the PMT.
B.
A quantitative function to check the overall CFOV
C.
1rst QC test which check gamma camera PHA window with photopeak being picked up.
D.
A qualitative function to check the UFOV
4.
To solve nonuniformity on a flood, what is needed?
A.
High count density and stored
B.
Low count density and stored
C.
High count density and different radiotracer.
D.
Restart QC
5.
What is the percentage of the CFOV
A.
55
B.
80
C.
75
D.
95
6.
What is the percentage of the UFOV
A.
65
B.
80
C.
75
D.
95
7.
What is normalization?
A.
By which counts in each pixel area are added or not changed; this helps solve nonuniformities.
B.
By which counts in each pixel area are subtracted or not changed; this helps solve nonuniformities.
C.
By which counts in each pixel area added or subtracted; this helps solve nonuniformities.
D.
By which counts in each pixel area added or subtracted or not changed; this helps solve nonuniformities.
8.
Co-57 is close enough to Tc99m to be an ideal Extrinsic flood source.
A.
False
B.
True
C.
D.
9.
What is Intrinsic testing?
A.
Performing flood with a collimator
B.
Performing flood without a collimator
C.
Performing flood with a HEHR collimator
D.
Performing flood with a 4 Quadrant Bar phantom
10.
What is Extrinsic testing?
A.
Performing flood with a HEHR collimator
B.
Performing flood with a 4 Quadrant Bar phantom
C.
Performing flood without a collimator
D.
Performing flood with a collimator
11.
What are 2 types of source used for Extrinsic testing?
A.
Solid Co-57 cookie
B.
Solid Cs-137 cookie
C.
Lead Strips 2 inches apart
D.
Refillable plastic phantom
12.
You can see better radioactive changes in-vivo.
A.
True
B.
False
13.
Pincushion nonuniformities cause cold spots on floods.
A.
False
B.
True
C.
D.
14.
Barrel distortion causes more counts to be focused at the center.
A.
False
B.
True
15.
What is the benefit of the 4 Quadrant bar phantom?
A.
One image allows for the evaluation of spatial resolution, linearity, and spatial distortion for the entire FOV.
B.
Two transmission images are aquired at an angle of 90 degrees relative to eachother to provide the evaluation of spatial resolution, linearity, and spatial distortion for the whole FOV.
C.
The same phantom can be used to test cameras with different resolutions.
D.
Measures uniformity, linearity, and spatial distortion.
16.
Moire artifacts should be acquired ideally with what size matrix?
A.
256x256
B.
128x128
C.
64x62
D.
512x512
17.
Which radionuclides should be used for MWSR testing? Select all that apply.
