1. Occupational Workers may accumulate:
5
R/year whole body and 50 R/yr in extremities
500
R/ year whole body and 5000R/yr in extremities
0.5
R/year whole body and 0.5R/yr. in extremities
50
R/ year whole body and 500R/yr in extremities
2. The current maximum dose rate for an unrestricted area is:
2
mR in one hour. and 100 mR in one year.
0.
2 mR/hour and 100 mR/year
20
mR in one hour. and 100 mR in one year
20
mR / hour. and 100 mR / year
3. Using a long handled tongs to transfer the syringe of F-18 FDG to
the dose calibrator and then to the injection shield can...: Significantly
decrease technologist time for measuring dose
Significantly increase technologist
exposure
Significantly
improve counting statistics in dose calibrator
Significantly decrease
technologist exposure
4.
The TDS method for
controlling external radiation exposure involves: Time,
exercise, and shielding during injection, uptake, and acquisition
Gloves,
distance, and shielding during injection, uptake, and acquisition
Time,
distance, and plastic wall for shielding during injection, uptake, and
acquisition
Time,
distance, and shielding during injection, uptake, and acquisition
5.
In general,
barriers, partitions and shielding must be designed to...:
Protect operations personnel, other
equipment, and public areas from sources of sound waves from the PET/CT
scanner
Protect
the PETS cages and public areas from absorbing radioactivity
Protect
operations personnel, other equipment, and public areas from sources of
radioactivity
Protect
patient’s clothes from sources of radioactivity
6. Instruct patient to refrain from any strenuous activity on
the day before and the day of their appointment in order to...: Help
the injection of F-18 FDG to be taken up by normal muscles
Help
the patient make it to their appointment on time
Keep
the injection of FDG from going to the heart
Help the patient remain
relaxed physically to prevent uptake in normal muscles
7. In coincidence detection...: Two
points and the locations of the detectors define the patient’s attenuation
correction factors
Two points and the locations of the detectors define the line of response
along which the annihilations must have occurred
Four
points and the locations of the detectors define the line of response along
which the protons precisely occurred
Two
points and the locations of the detectors define the line of response along
which the x-ray must have occurred
8. Which
one of the following statements is true?: CT
provides the x-ray information; PET provides the anatomic information
PET
provides the anatomical information; CT provides the functional information
CT
provides the anatomical information; PET provides the functional information
CT
provides the attenuation information; PET provides the anatomic information
9.
The optimal uptake time post injection of F-18 FDG for whole body
imaging for oncology is...:
2.5
hr injection-to-scan interval
60-90
minutes injection -to-scan interval
30
minute injection-to-scan interval
10
minute injection-to-scan interval
10.
For accurate SUV calculations...:
Ask
patient their approximate weight during the scheduling telephone call and
record value
Have
the patient void before imaging
Obtain patient's weight on
day of scan before injection of F-18 FDG
Inject
in the antecubital vein only
11.
The acronym SUV stands for...:
Silly uptake value
Standardized uptake value
Selective uptake value
Standardized utility
verification
12. GLUT is an acronym for ...
Glucose transporters
Glossy transporters
Glucose traps
Glue
transporters
13.
The critical organ
for F-18 FDG is...:
The bladder wall
The tumor wall
The parotid gland
All of the above
14. Brown fat cells have an...:
Underestimation of metabolic
activity
Ability to resist the absorption of glucose
Extra residual tumor agent
Extraordinary number of
mitochondria, which are involved in heat generation
15. What would be the appropriate action to take if the patient's glucose
level immediately prior to injection was 300 mg/dl?:
Inject the F-18 FDG
Give
20 g of glucose, wait 10 min, then inject FDG
Reduce
FDG dose by 50%
Contact
the Nuclear Physician for guidance on what action to take
16.
In young pediatric patients, it is a good idea to papoose small
children and keep them warm to...?:
Relax them and to minimize
muscle uptake
Prevent them from crying
Increase urinary output
Protect the technologist from
radiation
17.
Diabetic patients (Type 2) are instructed to...:
Take their diabetic
medication and have a light meal in early AM
Take
their diabetic medication and fast from midnight
Do
not take their diabetic medication, but have a high carbohydrate meal in
early AM
Take their diabetic medication
and have a high carbohydrate meal in early AM
18. Patients are instructed to remain well hydrated after the injection of
F-18 FDG in order to:
Enlarge the urinary bladder for
improved visualization of abdominal organs
Minimize radiation dose to
the bladder and improve image quality
Minimize radiation dose to the
heart and brain
Eliminate
the need for catheterization during the imaging process
19. Muscle uptake on images may result from...:
Strenuous exercise within 24 hr
prior to the injection
Shivering
Nervous tongue
High
insulin levels
All of
the above
20. The half life and imaging energy of F-18, respectively, are...:
110 min, 13.3 hr
60 min, 511 keV
110 min, 511 keV
None of
the above
