GI board review questions with correct answers

Which of the following pairs of radiopharm is used for simultaneously studying gastric emptying of both liquids and solids? CORRECT ANSWER 99Tc SC scrambled eggs & 111-In DTPA in water Which of the following radiopharm can be used to study the spleen? CORRECT ANSWER Cr51 labeled damaged RBC, Tc99m labeled damaged RBC Tc99m SC How is radiopharmaceutical administered when a LeVeen shunt is evaluated? CORRECT ANSWER By the Intraperitoneal Injection the ejection fraction of the gallbladder can be evaluated using? CORRECT ANSWER Cholecystokinin If no gallbladder is seen at one hour following injection of Tc99m DISIDA, what should be done? CORRECT ANSWER Image should be taken at 4 hours while performing a liver scan with SC the technologist notices that lung uptake is present, this is probably due to ? CORRECT ANSWER Too much Al3+ ion in the pertechnetate that was used for labeling The function of a LeVeen shunt is to ? CORRECT ANSWER Drain peritoneal fluid into the superior vena cava