There is a greater chance of the PET signal being attenuated when:
A. a) the object being imaged is smaller.
B. b) the object being imaged is larger.
C. c) the object is further away from the detector.
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PET reconstruction is:
A. a) deterministic.
B. b) performed via a Fourier transformation.
C. c) probabilistic.
In a PET system, the two gamma rays from a collision event strike the scintillator ring:
A. a) within nanoseconds of each other (essentially simultaneously).
B. b) at exactly the same time.
C. c) at 90 degrees to each other.
What does microbiological testing apply to ensure radiopharmaceuticals:
A. Stability
B. Chemical purity
C. Sterile pyrogen-free
Which of the following PET radiopharmaceuticals is used to study glucose metabolism?
A. ) [\(^{18}\)F]FD
B. ) [\(^{18}\)F]Na
C. ) [\(^{11}\)C]PI
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