Sample Exam Questions
Group I, Task 7, Comprehension:
Notify the appropriate authority of medical event when
appropriate.
1. According to NRC
criteria, which of the following is a misadministration?
a. Infiltration of an attempted intravenous
injection
b. Administration of 10 mCi I-131 instead of the
prescribed 9 mCi
c. Administration of 20 mCi Tc-99m pertechnetate
instead of the prescribed 10 mCi
d. Administration of
15 mCi I-131 sodium iodide intravenously instead of orally as
prescribed.
e. Administration of 5 mCi Tc-99m sulfur colloid to
the wrong patient.
Group
IV, Task 45, Application:
Prepare radiopharmaceutical kits, perform
quality control and evaluate results.
2. Chromatography
testing of technetium radiopharmaceuticals is done to check for:
a. Aluminum Contamination
b. Molybdenum breakthrough
c. Radionuclidic purity
d. Radiochemical purity
e. Chemical purity
Group
III, Task 36, Application:
Prepare proper instrument, computer and
auxiliary equipment and acquire imaging procedures as indicated by
protocol.
3. The use of
elliptical and/or body contour orbits in SPECT imaging should result in
improved:
a. Temporal resolution
b. Spatial resolution
c. Reconstruction times
d. Acquisition times
e. Patient comfort
Group
II, Task 19, Application:
Perform and evaluate detector linearity and
spatial resolution on a scintillation camera
4. Which of the
following variables does not affect spatial resolution in nuclear
medicine imaging systems:
a. Physical design of the collimator
b. Material of which the collimator is constructed
c. Energy of the gamma rays being counted
d. Computer matrix pixel size
e. Byte vs. word
acquisition mode
Group
II, Task 16, Comprehension:
Perform and evaluate quality control on a well
counter or probe.
5. Full width at half
maximum (FWHM) is often used as a measure of:
a. Uniformity
b. Sensitivity
c. Intensity
d. Resolution
e. Dead time
Group
II, Task 24, Analysis:
Perform and evaluate quality control
procedures for SPECT camera.
6. Uncorrected flood
field nonuniformities cause ____________ artifacts in tomographic
reconstruction.
a. Irregular
b. Dropout
c. Circular
d. Undulating
e. Linear
Group
II, Task 20, Application:
Assess performance of image recording
equipment.
7. How many 16-bit
words of memory are required for a 64 x 64 byte mode image?
a. 2,048
b. 4,096
c. 16,384
d. 32,768
e. 65,535
Group
III, Task 37, Comprehension:
Evaluate image appearance and perform any
additional views as required.
8. Areas of prolonged
retention of Xe-133 in the lungs are associated with:
a. Reduced trapping in the lung
b. Obstructive lung
disease
c. Pulmonary emboli
d. Bacterial pneumonia
e. Septal penetration
Group
III, Task 36, Analysis:
Prepare proper instrument, computer and
auxiliary equipment and acquire imaging procedures as indicated by
protocol.
9. A patient is to
undergo a multiple-gated cardiac blood-pool study with the heart cycle
divided in 20 frames. The patient is in normal sinus rhythm and has a
heart rate of 68 bpm. The computer should lock in at what time per
frame for this study?
a. 44 milliseconds
b. 56 milliseconds
c. 0.29 seconds
d. 1.5 seconds
e. 3.4 seconds
Group
III, Task 37, Comprehension:
Evaluate image appearance and perform any
additional views as required.
10. Which of the
following myocardial perfusion patterns suggest that the patient has
myocardial ischemia:
a. Abnormal resting Tc-MIBI, Abnormal Stress Tc-MIBI
b. Abnormal resting Tc-MIBI, Normal Stress Tl-201
c. Normal resting Tc-MIBI, Normal Stress Tl-201
d. Abnormal resting Tl-201, Abnormal Stress Tc-MIBI
e. Normal resting
Tl-201, Abnormal Stress Tl-201
Group
III, Task 39, Comprehension:
Prepare and perform cardiac monitoring and/or
stress testing.
11. Ventricular
depolarization occurs just before the ventricles contract, expelling
blood forward into the pulmonary artery and aorta. This action is
represented on the EKG strip by:
a. QA complex
b. ST complex
c. QRS complex
d. RS complex
e. PQR complex
Group
I, Task 2, Comprehension:
Prepare and package radioactive materials for
transportation.
12. At what distance
is the exposure rate (in mR/hr) indicated by a package’s
transport index measured?
a. At the surface
b. At 1 meter from the
surface
c. At 3 meters from the surface
d. At 6 meters from the surface
e. Transport index doesn’t have anything
to do with exposure, all packages, radioactive or not, have a T.I.
Group
I, Task 1, Comprehension:
Post appropriate signs in designated areas to
comply with NRC regulations.
13. According to NRC,
an unrestricted area is one in which a person would receive a radiation
dose of less than:
a. 2 mrem/hr
b. 5 mrem/hr
c. 10 mrem/hr
d. 20 mrem/hr
e. 50 mrem/hr
Group
I, Task 5, Analysis:
Take appropriate measures to reduce radiation
exposure.
14. The dose rate
during preparation of a radiopharmaceutical is 1.66 mrem/hr. With this
rate reduced by 2 HVLs, how many hours would it take a worker to
accumulate 10 mrems?
a. 3
b. 6
c. 12
d. 24
e. 48
Group
III, Task 37, Analysis:
Evaluate image appearance and perform any
additional views as required.
15. In a euthyroid
patient, which of the following describes the result of Cytomel (T3)
administration for 8 days prior to a radioactive iodine thyroid uptake?
a. Elevated protein bound iodine
b. Suppressed "cold" nodules
c. Increased thyroid uptake
d. Decreased thyroid
uptake
e. No variation in uptake
Group
III, Task 41, Application:
Obtain samples and/or data for non-imaging
studies.
16. A well counter is
set to collect 10,000 counts or to stop after 5 minutes. The counter
stops at 2 minutes. What is the count rate (in cpm)?
a. 2,000
b. 5,000
c. 10,000
d. 20,000
e. 200,000
Group
II, Task 16, Comprehension:
Perform and evaluate quality control on a well
counter or probe.
17. As the sample
volume is increased, well counter counting efficiencies are:
a. Reduced
b. Improved
c. Unchanged
d. Increased to a point, then reduced.
e. Unpredictable
Group
IV, Task 48, Comprehension:
Label blood components with a
radiopharmaceutical according to protocol.
18. The action of the
ACD solution in labeling RBCs for a red cell mass determination is as
a(n):
a. Cell preservative
b. pH stabilizer
c. A reducing agent
d. Oxidizing agent
e. Anticoagulant
Group
IV, Task 46, Application:
Prepare and dispense diagnostic
radiopharmaceuticals.
19. If a vial
containing Tl-201 is found to have an activity of 10.0 mCi at 8 a.m. on
Monday, how much activity would remain at 10 a.m. on Friday provided no
dose was drawn from this vial (in mCi)?
a. 86.5
b. 4.03
c. 3.94
d. 3.10
e. 2.55
Group
I, Task 1, Comprehension:
Post appropriate signs in designated areas to
comply with NRC regulations.
20. High Radiation
Area signs are to be posted in areas where exposures greater than
____________ mrem/hr are measured at 30 cm from the source or from any
surface through which the radiation penetrates:
a. 5
b. 10
c. 50
d. 100
e. 500
Group
III, Task 36, Application:
Prepare proper instrument, computer and
auxiliary equipment and acquire imaging procedures as indicated by
protocol.
21. When a zoom is
used during a 64 x 64 byte mode computer acquisition:
a. The computer automatically switches to a larger
matrix size
b. The field of view is increased
c. A spatial filter must be used to smooth away the
adverse affects of this technique
d. Spatial resolution
is increased
e. More computer memory is needed
Group
II, Task 23, Comprehension:
Perform and evaluate dose calibrator
consistency tests.
22. Which of the
following quality control tests should be performed on a dose
calibrator after a power outage?
a. Nothing needs to be checked if QC was performed
in the last 24 hours
b. Constancy
c. Linearity
d. Geometry
e. Sensitivity
Group
III, Task 38, Analysis:
Process and evaluate computer generated data.
23. When processing a
gated blood pool study, incorrectly placing the background region over
part of the aorta will have what effect on the resulting EF calculation?
a. The result will be
higher than patient’s true EF
b. The result will be lower than
patient’s true EF
c. It will have no effect; the background in the
region of the aorta is insignificant
d. It will have no effect: the background data is
only used to smooth the resulting volume curve
e. It depends; the effect is different depending on
whether the patient’s heart function is abnormal or normal to
begin with
Group
IV, Task 48, Analysis:
Label blood components with a
radiopharmaceutical according to protocol.
24. Once blood has
been drawn in a syringe containing an anticoagulant, the next step to
be done when labeling leukocytes with In-111 oxine is to:
a. Centrifuge the sample at 200 g. for 5 minutes
b. Centrifuge the sample at 2000 g. for 5 minutes
c. Sediment the sample
for 50 to 60 minutes
d. Add the In-111 oxine
e. Add ascorbic acid
Group
IV, Task 43, Comprehension:
Elute radionuclide generator; perform and
evaluate quality control tests.
25. The limit for
Mo-99 contamination in a solution of Tc-99m is no more than:
a. 1 uCi Mo-99 per mCi Tc-99m
b. 0.15 uCi Mo-99 per
mCi Tc-99m
c. 5 uCi Mo-99 per mCi Tc-99m
d. 0.15 uCi Mo-99 per ml Tc-99m solution
e. 5 uCi Mo-99 per ml Tc-99m solution
Group
III, Task 37, Comprehension:
Evaluate image appearance and perform any
additional views as required.
26. Activity seen in
the liver and spleen during a perfusion lung scan would most likely be
due to:
a. Normal physiology and biodistribution
b. Left-to-right cardiac shunt
c. Dissociation and oxidation to free pertechnetate
d. COPD
e. MAA particles
smaller than 5 microns
Group
II, Task 22, Comprehension:
Perform and evaluate linearity of the dose
calibrator.
27. According to
national standards, how often should the activity linearity of a dose
calibrator be measured?
a. Each day of use
b. Weekly
c. Monthly
d. Quarterly
e. Annually
Group
III, Task 34, Analysis:
Prepare patient for procedure.
28. Which of the
following situations would be considered an absolute contraindication
for performing adenosine pharmacological stress testing?
a. Patient drank a
couple cups of caffeinated coffee 2 hours prior
b. Patient ate a solid meal 2 hours prior
c. Patient had a colonoscopy 1 week prior
d. Patient had a known myocardial infarction 6
months previously
e. SPECT imaging is not available at this site
Group
IV, Task 44, Analysis:
Review the daily work schedule to plan
radiopharmaceutical needs.
29. The following
request should be questioned because:
Name: John Doe
Number: 123456
Age: 40
Clinical History: Suspected polycythemia vera
Study Requested: RBC mass determination
Nuclear Medicine Physician orders:
Radiopharmaceutical: I-125 RISA
Dose: 30 uCi
Route of administration: IV
a. The
radiopharmaceutical prescribed is incorrect
b. The dose is too low
c. The study requested is inappropriate
d. The route of administration is incorrect
e. Everything is correct for this procedure