2023-2024 ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+
one advantage of the in vivo method of Tc99m red cell tagging is that: - CORRECT
ANSWER no manipulation of blood samples outside the body is required
boiling a Tc99m sulfur colloid preparation for too long will result in colloidal
particles that are: - CORRECT ANSWER too large
Which of the following components in a Tc99m medronate prep is a radiochemical
impurity?
a. aluminum
b. Mo99
c. 0.9% NaCl
d. Tc99m pertechnetate
e. ascrobic acid - CORRECT ANSWER Tc99m pertechnetate
which of the following image findings is most consistent with chromatography
results of a tc99m oxidronate sample demonstrating 65% radiochemical purity?
a. well-defined bone uptake
,b. stomach and thyroid uptake
c. lung uptake
d. gi activity
e. heart uptake - CORRECT ANSWER b. stomach and thyroid uptake
In what way does the modified in vivo method of labeling RBCs with Tc99m
pertechnetate differ from the in vivo method? - CORRECT ANSWER the modified
method mixes Tc99m pertechnetate with only a small volume of the patient's
blood
What is true about the modified in vivo method for labeling red blood cells with
Tc99m pertechnetate? - CORRECT ANSWER a sample of the patien'ts
"pretinned" blood is incubaed with Tc99m pertechnetate outside of the patient
If a Mo99/Tc99m generator is eluted at 0700 and again at 1300, the next day's
Tc99m yield at 0700: - CORRECT ANSWER will be decreased
127 millicuries is equivalent to how many gigabecquerels? - CORRECT ANSWER
4.70 GBq
if a new generator is eluted several times and each time the amount of alumnum
in the eluate exceeds the USP limit, the tech should: - CORRECT ANSWER
contact the generator manufacturer
the shelf life of most tc99m labeled RP's is: - CORRECT ANSWER 6-8 hours
,Which of the following medical history is relevant to In111 capromab pendetide
imaging?
a. breast feeding schedule
b. mammogram result
c. last menstrual cycle
d. pregnancy status
e. PSA level - CORRECT ANSWER PSA level
Which of the following is not recommended during HMPAO/ECD administration?
a. dim the lights
b. inject using an IV line
c. talk calmingly to the patient during injection
d. ask them to keep eyes and ears open - CORRECT ANSWER talk calmingly to
the patient during injection
pentagastrin is commonly used in which of the following scans? - CORRECT
ANSWER Meckel's diverticulum
If an anticoagulant is added to a blood sample, the fluid portion of the blood
sample is known as: - CORRECT ANSWER plasma
Contraindication for performing MPI resting study is: - CORRECT ANSWER
having a nitroglycerin drip
, to help clear the thyroid, liver, and bowel when performing a cardiac perfusion
study with sestamibi, a tech should give what before imaging? - CORRECT
ANSWER a glass of cold water
where is the x-ray generator located in a CT scanner? - CORRECT ANSWER inside
the gantry
In performing a GET, imaging should begin: - CORRECT ANSWER immediately
after meal consumption, then every 15 minutes for at least 2 hours
every hour for 2 minutes at ku
administration technique for Tc99m bicisate includes which of the following?
a. direct venous stick
b. infusion at peak cardiac stress
c. bolus injection technique
d. infusion over 3 hours
e. minimize environmental stimuli - CORRECT ANSWER e. minimize
environmental stimuli
patient prep for instilling colloidal P32 chromic phosphate into the peritoneal
cavity includes: - CORRECT ANSWER introducing tc99m sulfur colloid into the
cavity to confirm that the P32 will disperse evenly
SPECT brain imaging may begin how soon after the administration of tc99m
exametazime? - CORRECT ANSWER 1-2 hours