NUCLEAR MEDICINE BOARD REVIEW EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ & PASSED

one advantage of the in vivo method of Tc99m red cell tagging is that: Correct Ans- 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 Ans- 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 Ans- 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 Ans- 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 Ans- 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 Ans- 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 Ans- will be decreased 127 millicuries is equivalent to how many gigabecquerels? Correct Ans- 4.70 G