1.
The dose calibrator’s ability to measure accurately a range of low-activity doses to high-activity doses is called:
2.
Increasing the thickness of the scintillation detector will result in the detector:
3.
Calibration, sensitivity/constancy, efficiency, chi-square, and energy resolution are quality control procedures performed to ensure proper operation of the:
4.
The maximum permissible limit of Al+3 in Tc-99m eluate is set by?
5.
When tested Tc-99m sulfur colloid kit with TLC for free Tc-99m, the technologist noted: strip with free Tc-99m migrated to the solvent front reads 650 cpm, and strip containing Tc-99m sulfur colloid remaining at the point of origin reads 18350 cpm. What is the radiopharmaceutical impurity of this sulfur colloid kit?
6.
The blank scan is performed daily on Positron Emission Tomography (PET) scanners using a Ge-68 transmission source. The term blank scan reflects:
7.
If expected value of the long-lived source is 120 mCi and actual reading obtained from dose calibrator is 122 mCi, what is the percentage error of that reading?
8.
Well Counter (WC) and Uptake Probe (UP) are two detectors commonly configured to a single computer. Which of the following statements describing their properties is INCORRECT?
9.
Which of the following quality control procedures is NOT performed to ensure proper operation of the survey meter?
10.
Co-57, Ge-68, and Ba-133 are sometimes called “mock” isotopes. Which of the following trios of isotopes do they imitate?
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