1. What interventional drug regime is used to differentiate between neonatal hepatitis and biliary
atresia?
a. Phenobarbital
2. What is colloid shift?
3. What determines the camera position during a Hemangioma study?
a. Site of lesion
4. What drug is used at the start of imaging to better visualize GI bleed?
a. ?
5. What simple, inexpensive regimen can be used to relieve symptoms in patients with GERD?
a. Antacids and diet change consisting of more protein
6. Ectopic gastric mucosa found in the distal end of the esophagus is called _______ esophagus.
a. Barret’s esophagus
7. What are advantages and disadvantages of using 99mTc-SC to visualize gastric bleeds?
a. Advantages: minimizes background activity and promotes the highest contrast ratios
b. Disadvantages: has a rapid clearance rate so it can only be used on actively bleeding
patients
8. What study is used in the differentiation of congenital asplenia or polysplenia in children?
a. Liver/Spleen Scan
9. Liver/Spleen scan should not proceed what types of studies? Why?
a. Studies using either iodinated or barium contrast because barium, particularly, may result
in artificial defects with the liver and spleen
10. What is the normal level of reflux in gastroesophageal reflux imaging and at what pressure is this
seen?
a. <4% at all pressures
11. What is the patient position for the initial image in gastroesophageal reflux imaging?
a. sitting
12. In what study is ballottement used to mix the radiopharmaceutical with the ascites?
a. Leveen shunt latency
13. What study is used to evaluate congenital cystic dilatation of the intrahepatic biliary radicles of
the liver?
a. HIDA Scan
14. What can be used to better visualize a GI bleed?
a. 99mTc-Sulfur Colloid?
15. _______ is secreted by ectopic gastric mucosa, and all other gastric mucosa?
a. Acid and digestive enzymes
16. What is the radiopharmaceutical and dose for gastric emptying study?
a. 99mTc-Sulfur Colloid, 1 mCi
17. What radiopharmaceuticals are commonly used in liver and spleen scintigraphy?
a. 99mTc-SC and 99mTc-albumin colloid
18. When processing a gastric emptying study, the x-axis represents ______ and the y-axis
represents_____ on the time-activity curve.
a. X-axis: time
b. Y-axis: Percent remaining ?
19. What radiopharmaceutical is used in Hepatic Arterial Perfusion Scintigraphy?
a. 99mTc-MAA
20. What interventional drug is used in assessing gall bladder ejection fraction?
a. CCK
