Gastrointestinal Board Exam questions with correct answers

Which of the following pairs of radiopharmaceutical's is used for simultaneously studying gastric emptying of both liquids and solids? Correct Answer-Tc99m sulfur colloid scrambled eggs and In-111 DTPA in water What structure is outlined by the ROI on Fig 1? Correct Answer-stomach Which of the following radoopharmaceuticals can be used to study the spleen? Correct Answer-51 Cr-labeled damaged red blood cells, 99m Tc-labeled damaged red blood cell, 99m Tc sulfur colloid How is a radiopharmaceutical administered when a LeVenn shunt is evaluated? Correct Answer-by intraperitoneal injection The ejection fraction of the gallbladder can be evaluated using? Correct Answer-cholecystokinin If no gallbladder is seen at 1 h following injection of Tc99m DISIDA, what should be done? Correct Answer-images should taken at 4 h While performing a liver scan with sulfur colloid, the technologist notices that lung uptake is present. This is probably due to? Correct Answer-too much Al 3+ ion in the pertechnetate that was used for labeling The function of a LeVeen shunt it to? Correct Answer-drain peritoneal fluid into the superior vena cava