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.
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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
PET / CT [18F] FDG can be used to diagnose cancer. The advantages of PET and CT joint imaging over PET imaging alone are:
A. Using PET / CT, CT can provide metabolic information that PET cannot provide
B. PET / CT provides higher diagnostic accuracy and tumor location information
CT has no advantage over [18F] FDG PET in cancer diagnosis
SPECT radiopharmaceutical [99mTc] sodium pertechnetate and [123I] sodium iodide were used to image which part:
A. Heart
Brain
C. Thyroid