Exam 1/8 with complete solutions
Before tracer administration, all the following preparations are required for a 27
year old woman referred for total-body bone imaging except:
A)explain the procedure
B)answer patient's questions
C)rule out pregnancy
D)remove attenuating materials
D. Remove Attenuating Materials
Which of the following structures normally appear as areas of increased activity
on the bone images of children?
A) diaphyses of the long bones
B) breast tissue
C) lumbar spine and cranium
D) costochondral junctions and epiphyseal plates
E) metatarsals
D. costochondral junctions
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If tracer concentration is visualized in the skeleton, stomach, thyroid, and salivary
glands on a bone image, the most likely explanation for these findings is that the:
A) patient was imaged too soon after tracer administration
B) radiopharmaceutical contained excess free 99m-Tc
C) patients renal function is compromised
,D) incorrect radiopharmaceutical was administered
b. radiopharmaceutical contained excess free 99m-Tc
For interpretation of nuclear medicine lung images, a chest X ray is required to:
A)determine cardiac size
B)rule out a pulmonary embolus
C)rule out previous lung surgery
D)rule out possible causes of the patient's symptoms
d. rule out possible causes of the patients symptoms
The image shown here was obtained after the administration of 99m-Tc MAA.
Which of the following is the most likely explanation for the quality of this lung
perfusion image?
A) the image shows lung pathology
B) there is radioactive contamination on the patient's skin or the camera detector
C) blood clotted to MAA particles was injection intravenously
D) too many MAA particles were administered to the patient
E) left to right shunt occurred in the heart
c. blood clotted to MAA particles was injection intravenously
The purpose of a charcoal filter in a xenon delivery unit is to absorb:
A) bacteria
B) carbon dioxide
C) xenon gas
D) moisture
E) oxygen
c. xenon gas
Radionuclide venography may be performed with which of the following
radiopharmaceuticals:
A)99mTc-pentetate
B)99mTc-pertechnetate
C)exametazime
D)99mTc-MAA
d. 99mTc-MAA
If ectopic thyroid tissue is suspected, the technologist can expect to find it most
commonly in which of the following areas:
A) in the brain
B) in the skull
C) in the mediastinum
, D) in the nasopharynx
E) behind the optic nerve
c. in the mediastinum
During parathyroid imaging, images of the chest as well as the neck are obtained
to:
A) correct the image series for patient motion
B) visualize ectopic parathyroid tissue
C) visualize substernal thyroid tissue
D) diagnose hyperparathyroidism
E) localize the parathyroid
b. visualize ectopic parathyroid tissue
When performing a gated equilibrium cardiac study, which of the following
anatomical views best separates the right and left ventricles?
A. left lateral
B. left anterior oblique
C. left posterior oblique
D. anterior oblique
E. posterior oblique
b. left anterior oblique
In preparation for a 201-Tl stress test, patients are instructed to fast to:
A. prevent gastrointestinal upsets during exercise
B. minimize tracer uptake in the gastrointestinal tract
C. enhance myocardial tracer uptake
D. standardize test conditions among patients
E. prevent redistribution of the tracer
b. minimize tracer uptake in the gastrointestinal tract
Which of the following agents used for pharmacologic stress testing remain in
the plasma for the greatest length of time?
A. dobutamine
B. adenosine
D. nitroglycerin
D. dipyridamole
E. regadenoson
d. dipyridamole
We have an expert-written solution to this problem!
SPECT liver imaging with 99mTc-sulfur colloid is performed how soon after tracer
administration:
A) immediately
B) 10-15 min
C) 30-45 min