What is being evaluated with chromatography testing of technetium radiopharmaceuticals
A. Aluminum Contamination
B. Molybdenum Breakthrough
C. Radionuclidic Purity
D. Radiochemical Purity
E. Chemical Purity
ANSWER
D. Radiochemical Purity
The use of elliptical and or body counter orbits in SPECT imaging should result in improved
A. Temporal Resolution
B. Spatial Resolution
C. Reconstruction Times
D. Acquisition Times
E. Patient Comfort
ANSWER
B. Spatial Resolution
Which of the following variables does not affect spatial resolution in nuclear medicine imag-
ing systems
A. Physical Design of the collimator
B. Material of which the collimator is constructed
C. Energy of the gamma rays being counted
D. Computer matrix pixel size
1
, E. Byte vs word acquisition mode
ANSWER
E. Byte vs word acquisition mode
Full Width at Half Maximum (FWHM) is often used as a measure of
A. Uniformity
B. Sensitivity
C. Intensity
D. Resolution
E. Deadtime
ANSWER
D. Resolution
Uncorrected field flood non uniformities cause ______ artifacts in tomographic reconstruc-
tion
A. Irregular
B. Dropout
C. Circular
D. Undulating
E. Linear
ANSWER
C. Circular
How many 16 bit words of memory are required for a 64 by 64 byte mode image
A. 2048
B. 4096
C. 16,384
D. 32,768
2
A. Aluminum Contamination
B. Molybdenum Breakthrough
C. Radionuclidic Purity
D. Radiochemical Purity
E. Chemical Purity
ANSWER
D. Radiochemical Purity
The use of elliptical and or body counter orbits in SPECT imaging should result in improved
A. Temporal Resolution
B. Spatial Resolution
C. Reconstruction Times
D. Acquisition Times
E. Patient Comfort
ANSWER
B. Spatial Resolution
Which of the following variables does not affect spatial resolution in nuclear medicine imag-
ing systems
A. Physical Design of the collimator
B. Material of which the collimator is constructed
C. Energy of the gamma rays being counted
D. Computer matrix pixel size
1
, E. Byte vs word acquisition mode
ANSWER
E. Byte vs word acquisition mode
Full Width at Half Maximum (FWHM) is often used as a measure of
A. Uniformity
B. Sensitivity
C. Intensity
D. Resolution
E. Deadtime
ANSWER
D. Resolution
Uncorrected field flood non uniformities cause ______ artifacts in tomographic reconstruc-
tion
A. Irregular
B. Dropout
C. Circular
D. Undulating
E. Linear
ANSWER
C. Circular
How many 16 bit words of memory are required for a 64 by 64 byte mode image
A. 2048
B. 4096
C. 16,384
D. 32,768
2
