PET/CT Board Exam
Which of the following radionuclides is not a positron emitter? - ✔✔ correct answer C-14
When a neutron deficient nucleus emits a positron? - ✔✔ correct answer atomic mass number
is unchanged
Which of the following has the shortest half life? - ✔✔ correct answer Rb-82
When F-18 FDG is transported across most cell membranes? - ✔✔ correct answer it is trapped
in the cell and it is not further metabolized
Which of the following will not affect the distribution of F-18 FDG on a PET image? - ✔✔ correct
answer Intense physical activity the day before imaging, Serum insulin level, Serum glucose
level, and bladder catheterization
Normal F-18 FDG distribution would show the least activity in the? - ✔✔ correct answer bone
All positron emitting isotopes are produced in a cyclotron? - ✔✔ correct answer false
F-18 FDG PET is not an important tool for? - ✔✔ correct answer detecting helicobacter pylori
Which of the following is true regarding F-18 FDG? - ✔✔ correct answer it is taken up by a
disease free myocardium
F-18 FDG PET images show a map of the ______ distribution in the body? - ✔✔ correct answer
glucose
What length of time should a lactating female who undergoes F-18 FDG PET scanning wait
before resuming breast feeding? - ✔✔ correct answer 24 hr
, PET/CT Board Exam
Because of the relativity high energy of the photons detected in PET imaging, attenuation
correction does not need to be performed? - ✔✔ correct answer false
What part of a PET scanner quality control regimen is necessary for the computation of
attenuation factors? - ✔✔ correct answer blank scan
Which of the following describes random coincidence? - ✔✔ correct answer the simultaneous
detection of photons originating from different positrons
Scintillation crystals for PET scanners are not made of? - ✔✔ correct answer lead sulfate
PET images may be reconstructed using? - ✔✔ correct answer filtered back projection
Following an annihilation reaction, two 511 keV photons are emitted in opposite directions. If
one of the photons is deflected in the body? - ✔✔ correct answer the deflection photon may be
detected outside the correct LOR
A patient has undergone myocardial PET scans using 13 N ammonia and 18 FDG. There is little
inferoapical activity on the 13 N scan, but there is homogeneous uptake in the same area on the
18 FDG images. This suggests that? - ✔✔ correct answer the inferoapical area may revascularize
Patient A and Patient B are injected with the same dose of 13 N ammonia for a myocardial PET
scan. The patients are the same height but Patient A weighs 120 lbs. and Patient B weighs 180
lbs. From which patient would more true coincidence be detected? - ✔✔ correct answer patient
A
Chewing gum between injection of 18 FDG and PET scanning will have no effect on the resulting
images? - ✔✔ correct answer false
Which of the following radionuclides is not a positron emitter? - ✔✔ correct answer C-14
When a neutron deficient nucleus emits a positron? - ✔✔ correct answer atomic mass number
is unchanged
Which of the following has the shortest half life? - ✔✔ correct answer Rb-82
When F-18 FDG is transported across most cell membranes? - ✔✔ correct answer it is trapped
in the cell and it is not further metabolized
Which of the following will not affect the distribution of F-18 FDG on a PET image? - ✔✔ correct
answer Intense physical activity the day before imaging, Serum insulin level, Serum glucose
level, and bladder catheterization
Normal F-18 FDG distribution would show the least activity in the? - ✔✔ correct answer bone
All positron emitting isotopes are produced in a cyclotron? - ✔✔ correct answer false
F-18 FDG PET is not an important tool for? - ✔✔ correct answer detecting helicobacter pylori
Which of the following is true regarding F-18 FDG? - ✔✔ correct answer it is taken up by a
disease free myocardium
F-18 FDG PET images show a map of the ______ distribution in the body? - ✔✔ correct answer
glucose
What length of time should a lactating female who undergoes F-18 FDG PET scanning wait
before resuming breast feeding? - ✔✔ correct answer 24 hr
, PET/CT Board Exam
Because of the relativity high energy of the photons detected in PET imaging, attenuation
correction does not need to be performed? - ✔✔ correct answer false
What part of a PET scanner quality control regimen is necessary for the computation of
attenuation factors? - ✔✔ correct answer blank scan
Which of the following describes random coincidence? - ✔✔ correct answer the simultaneous
detection of photons originating from different positrons
Scintillation crystals for PET scanners are not made of? - ✔✔ correct answer lead sulfate
PET images may be reconstructed using? - ✔✔ correct answer filtered back projection
Following an annihilation reaction, two 511 keV photons are emitted in opposite directions. If
one of the photons is deflected in the body? - ✔✔ correct answer the deflection photon may be
detected outside the correct LOR
A patient has undergone myocardial PET scans using 13 N ammonia and 18 FDG. There is little
inferoapical activity on the 13 N scan, but there is homogeneous uptake in the same area on the
18 FDG images. This suggests that? - ✔✔ correct answer the inferoapical area may revascularize
Patient A and Patient B are injected with the same dose of 13 N ammonia for a myocardial PET
scan. The patients are the same height but Patient A weighs 120 lbs. and Patient B weighs 180
lbs. From which patient would more true coincidence be detected? - ✔✔ correct answer patient
A
Chewing gum between injection of 18 FDG and PET scanning will have no effect on the resulting
images? - ✔✔ correct answer false
