Exam 1: Flashcards
Before tracer administration all of the following preparations are required for a 27-year-old woman referred for total body bone imaging except:
A) explaining the procedure to the pt.
B) answering the patients questions
C) ruling out pregnancy
D) removing attenuation materials from the pt.
D) removing attenuating materials from the pt.
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) costochondral junctions and epiphyseal plates
D) lumbar spine and cranium
C) costochondral junctions and epiphyseal plates
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) pt. was imaged too soon after tracer administration
B) radiopharmaceutical contained excess free [99mTc] pertechnetate
C) pts. renal function is compromised
D) incorrect radiopharmaceutical was administered
B) radiopharmaceutical contained excess free [99mTc] pertechnetate
For interpretation of nuclear medicine lung images, a chest X ray is required to:
A) determine cardiac output
B) rule out a pulmonary embolus
C) rule out previous lung surgery
D) rule out possible cause of the pts. symptoms
D) rule out possible cause of the pts. symptoms
The purpose of a charcoal filter in a xenon delivery unit is to absorb:
A) bacteria
B) carbon dioxide
C) moisture
D) xenon gas
D) xenon gas
Radionuclide venography may be performed with which of the following radiopharmaceuticals?
A) [99mTc] pentetate
B) [99mTc] pertechnetate
C) [99mTc]exametazine
D) [99mTc] MAA
D) [99mTc] MAA
If ectopic tyroid tissue is suspected, the technologist can expect to find it most commonly in which of the following areas?
A) in the brain
B) at the base of the tongue
C) in the mediastinum
D) at the base of the tongue or in the mediastinum
D) at the base of the tongue or in the mediastinum
During parathyroid imaing, images of the chest as well as the neck are obtained to:
A) correct the image series for pt. motion
B) visualize ectopic parathyroid tissue
C) visualize substernal thyroid tissue
D) diagnose hyperparathyroidism
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 posterior oblique
C) left anterior oblique
D) anterior
C) left anterior oblique
In preparation for a 201Tl stress test, pts. are instucted 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 pts.
B) minimize tracer uptake in the gastrointestinal tract
Which of the following agents used for pharmacologic stress testing remains in the plasma for the greatest length of time?
A) dobutamine
B) adenosine
C) dipyridamole
D) nitroglycerin
C) dipyridamole
SPECT liver imaging with [99mTc] sulfur colloid is performed how soon after tracer administration?
A) immediately
B) 10-15 min
C) 30-45 min
D) 1-2 hr
B) 10-15 min
Significantly increased serum bilirubin levels will most likely cause which of the following to be visualized on hepatobiliary images?
A) colon
B) kidneys
C) lungs
D) spleen
B) kidneys
Localization of a Meckel’s diverticulum can be accomplished with which of the following radiopharmaceuticals?
A) [67Ga] citrate
B) [99mTc] pentetate
C) [99mTc] pertechnetate
D) [99mTc]sulfur colloid
C) [99mTc] pertechnetate
In infants, 24-hr images are sometimes performed over what area to demonstrate gastroesophageal refulx?
A) lung fields
B) lower esophagus
C) stomach
D) upper small intestine
A) lung fields