1.
Physics
The ratio of net counts in the photopeak to net counts in the entire spectrum is called:
2.
Quality Control
Calibration, sensitivity/constancy, efficiency, chi-square, and energy resolution are quality control procedures performed to ensure proper operation of the:
3.
Quantities and Units
If a 15 mCi of F-18 fluorodeoxyglucose (FDG) dose is needed for positron emission tomography (PET) scan at 1:00p.m., how much activity should be prepared at 10a.m.?
4.
Quality Control
Spatial resolution and spatial linearity of a gamma-camera is assessed with a 4-quadrant bar phantom which consists of four sectors of lead bars and intervening plastic strips:
5.
Physics
An atom with an unstable nucleus is called a:
6.
Radiation Safety
The relationship that states that electromagnetic radiation intensity is inversely proportional to the square of the distance from a point source is called:
7.
Radiation Safety
Which of the following is the annual whole body effective dose for technologists or radiographers?
8.
Quality Control
Increasing the thickness of the scintillation detector will result in the detector:
9.
Quantities and Units
A vial contains an unidentified radionuclide with an initial activity of 60 mCi at 6 p.m. Sunday. At 6 a.m. Monday, the activity decayed to 7.5 mCi. Which of the following is the physical half-life of this radionuclide in hours?
10.
Radiation Safety
Which of the following instruments is commonly used for personal radiation monitoring?
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