AND ANSWERS (GRADED A+)
18F-FDG is rarely used to image tumors in the kidney, prostate, or bladder because: -
ANSWER-FDG is actively excreted in the urine, obscuring tumor uptake in these organs
A patient who is maintained on a ventilator is transported to the nuclear medicine
department. In the transfer process, it is necessary for the nuclear medicine
technologist to compress the Ambu-bag being used to sustain the patient's breathing
during transport. The rate for compression of the bag should be approximately: -
ANSWER-Once every 5 seconds
When explaining radiolabeled antibody treatment, an important negative consequence
that the patient should be informed of is the potential for - ANSWER-Development of
antibodies to the radiolabeled antibody
The best unit to use when explaining the radiation doses received from different
radiologic procedures using ionizing radiation is the: - ANSWER-Effective dose in
Sieverts
The best approach for protecting ancillary equipment such as computer keyboards from
infectious agents is to: - ANSWER-Cover them with plastic wrap before procedures
involving infectious patients
Of the following types of medications, which will affect the heart rate response of a
patient during a treadmill stress test? - ANSWER-Beta blockers
A gamma camera's stored X-axis offset is large relative to the system's current
rotational mechanics. What kind of artifact will be produced? - ANSWER-Ring
A uniformity correction image for a SPECT camera should contain at least ________
counts per pixel. - ANSWER-10,000
Normalization in a PET scanner involves comparison of: - ANSWER-Counts in an
individual lor with the average lor counts.
The first step in CT scanner daily quality control is the: - ANSWER-Tube warm-up
Once accessed, a multidose vial should be discarded after: - ANSWER-24 hours
A hospitalized patient having a myocardial perfusion scan in the nuclear medicine
department complains of mild chest pain. The best response would be to: - ANSWER-