18F-FDG is rarely used to image tumors in the kidney, prostate, or bladder because: - AN-
SWER 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 depart-
ment. In the transfer process, it is necessary for the nuclear medicine technologist to com-
press 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 antibod-
ies 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 in-
fectious agents is to: - ANSWER Cover them with plastic wrap before procedures involv-
ing infectious patients
Once accessed, a multidose vial should be discarded after: - ANSWER 24 hours
A hospitalized patient having a myocardial perfusion scan in the nuclear medicine depart-
ment complains of mild chest pain. The best response would be to: - ANSWER
A bone scan using 18F-sodium fluoride requires a delay of: - ANSWER 45-90 minutes
1
, Treatment with 90Y ibritumomab tiuxetan requires pretreatment with: - ANSWER
Rituxan
On an?111In leukocyte scan, activity is seen only in the liver, spleen, and bone marrow, with
the spleen being the most intense.? This could be due to: - ANSWER Damage to the leu-
kocytes during labeling
The ability of a material to serve as an intravenous contrast agent for x-ray studies depends
on: - ANSWER The total number of grams of iodine
In most nuclear medicine studies, it is generally desirable to bring the camera as close to the
patient as possible. In which of these imaging situations is this NOT true? - ANSWER Pin-
hole Collimator
If one wishes to include the whole 364-keV photopeak in an 131I imaging window, what is
the lowest energy that can be included without including the Compton edge? - ANSWER
The goal of preparing a hospital room for a radionuclide therapy patient is to: - ANSWER
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 me-
chanics. 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.
2
SWER 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 depart-
ment. In the transfer process, it is necessary for the nuclear medicine technologist to com-
press 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 antibod-
ies 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 in-
fectious agents is to: - ANSWER Cover them with plastic wrap before procedures involv-
ing infectious patients
Once accessed, a multidose vial should be discarded after: - ANSWER 24 hours
A hospitalized patient having a myocardial perfusion scan in the nuclear medicine depart-
ment complains of mild chest pain. The best response would be to: - ANSWER
A bone scan using 18F-sodium fluoride requires a delay of: - ANSWER 45-90 minutes
1
, Treatment with 90Y ibritumomab tiuxetan requires pretreatment with: - ANSWER
Rituxan
On an?111In leukocyte scan, activity is seen only in the liver, spleen, and bone marrow, with
the spleen being the most intense.? This could be due to: - ANSWER Damage to the leu-
kocytes during labeling
The ability of a material to serve as an intravenous contrast agent for x-ray studies depends
on: - ANSWER The total number of grams of iodine
In most nuclear medicine studies, it is generally desirable to bring the camera as close to the
patient as possible. In which of these imaging situations is this NOT true? - ANSWER Pin-
hole Collimator
If one wishes to include the whole 364-keV photopeak in an 131I imaging window, what is
the lowest energy that can be included without including the Compton edge? - ANSWER
The goal of preparing a hospital room for a radionuclide therapy patient is to: - ANSWER
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 me-
chanics. 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.
2
