Nuclear Medicine: Exit Practice Exam
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Complete solutions | verified &updated
2024
For most 99mTc-Radiopharmaceuticals, the expiration time is 6 hrs, equal to the
physical half-life of 99mTC (t1/2= 6 hrs)
On an intrinsic field uniformity image, the area of increased activity around the
image is called:
A. Flare phenomenon
B. Septal penetration
C. Edge packing
D. Halo effect - ✔✔C. Edge packing
The phenomenon known as Edge packing can show up as a bright rim of activity
around the perimeter of the [intrinsic flood]. To prevent Edge packing, most
,manufacturers provide a lead- shielded ring that masks the effect when
attached to the edge of the camera head.
A patient who becomes hypoglycemic may exhibit all the following signs
and symptoms except:
A. Weakness and shakiness
B. Irritability
C. Nausea and vomiting
D. Confusion - ✔✔C. Nausea and vomiting
The onset of symptoms of hypoglycemia may be sudden and include general
blurred vision and loss of consciousness. The condition can be remedied quickly
with the administration of sugar (3 pieces of candy or fruit juice)
,Which of the following is the correct patient/camera positioning for imaging a
transplanted kidney?
Patient position Camera positions
I Upright Anterior
II Upright Posterior
III Supine Anterior
IV Supine Posterior
A. I
B. II
C. III
D. IV - ✔✔C. III
Imaging of renal transplants is performed with the patient supine. Anterior
images are obtained over the iliac fossa containing the transplanted kidney.
, The gamma ray spectrum shown below was obtained at a voltage of 800. To move
the photo peak into the window, which of the following actions should be taken?
A. The voltage should be increased
B. The voltage should be decreased
C. The window should be widened
D. The window should be moved - ✔✔A. The voltage should be increased
As voltage is increased, the gamma-ray spectrum moves to the right.
Therefore, increasing the voltage will shift the photopeak toward the window
and, if the voltage is increased sufficiently, into the window.
Which of the following 99mTc-labeled agents is the preferred
radiopharmaceutical for demonstrating intermittent gastrointestinal bleeding?
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