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In Vivo Non-Imaging Procedures
Name: Address1: Address2: City/State/Zipcode: Email Address: Voice #: Work Phone #: Work Fax #: Student (Nuclear Medicine) Yes No Special Needs: Test: In Vivo Non-Imaging Procedures
1. Which one of the following statements is NOT an example of an in vivo non-imaging procedure? A radioimmunoassay A splenic sequestration study A Schilling Test A Thyroid Uptake Test 2. The typical injected dose of Cr-51 RBCs is... 0.0075 mCi 0.075 mCi 0.75 mCi 7.5 mCi 3. The normal value for half-time of survival of Cr-51 RBCs is... Approximately 30 days Approximately 60 days Approximately 90 days Approximately 120 days
4. A splenic sequestration study was performed. A Spleen/Liver Ratio of 2.8:1 was obtained. The diagnosis would be... Normal study Very small spleen Slightly enlarged spleen Significant splenic sequestration
5. A Plasma Volume/Red Cell Mass Study is useful... To measure hematocrit To diagnose Polycythemia Vera To evaluate renal function To diagnose Pernicious Anemia 6. A Plasma Volume Study is based on the principle of... Reverse transition Isotope dilution Reverse isotope dilution Plasma dilution
7. The results of a RCM/Plasma Volume Study are...
Expected Value___Measured Value___% Deviation
Plasma Volume: 3300 3400 +3 Red Cell Volume 2200 2650 +20.5 Total Blood Volume 5500 6050 +10 The Diagnosis is... Normal Study Dehydration Polycythemia Vera Pernicious Anemia
8. The administered activity of radiocobalt in a Schilling Test is approximately... 0.5 uCi 5 uCi 50 uCi 500 uCi 9. The Schillling Test is used to diagnose... Polycythemia Vera Pernicious Anemia Hyperthyroidism Plummer's Disease
10. In the Schilling Test, an IM injection of 1 mg of non-radioactive B12 is given to ... Reduce radiation dose to the liver Increase urinary output Saturate binding sites in the liver Increase binding of radiocobalt B12 to intrinsic factor 11. Patient X has a deficiency of intrinsic factor in his gut. The expected result of Stage 1 of a Schilling Test would be a % excretion of the radiocobalt in the range of... 0-6% 6-10% 10-30% 80-90%
12. The result of a Schilling Test was 14.1% excretion of Co-58. The diagnosis is... Normal Study Pernicious Anemia Simple malabsorption syndrome unrelated to intrinsic factor deficiency Impossible to make without first administering an antibiotic and then repeating the study 2 weeks later
13. The typical administered dose of I-123 NaI for performing an RAIU is... 0.2 uCi 2 uCi 20 uCi 200 uCi
14. The typical administered dose of I-131 NaI for performing an uptake and scan in a patient with a substernal thyroid is... 0.1 uCi 1 uCi 10 uCi 100 uCi
15. Which of the following is NOT a required part of the preparation for an RAIU? Discontinue synthroid for 4 weeks prior to performing RAIU Patient must be NPO from midnight until 1 hour post administration of I-123 NaI Patient must discontinue the use of propranolol 72 hours before the test Patient must not have undergone CT Scan with Contrast Media 16. A patient underwent an RAIU and the result was 58.4%. The diagnosis is... Normal Hypothyroid Hyperthyroid Hashimoto's Disease
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