What is the unit of measurement for current of electrons that flow from the filament to the anode?
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No acquiring enough stops (angular sampling) during a SPECT…
No acquiring enough stops (angular sampling) during a SPECT acquisition will result in which type of artifact on reconstructed images?
Which of the following acts passed by the U.S. Congress tie…
Which of the following acts passed by the U.S. Congress tied Medicare reibursement to department accreditation?
The QC test that measures a dose calibrators ability to read…
The QC test that measures a dose calibrators ability to read accurately over a wide range of activities is known as the _________ and it should be performed _______.
The major cause of gamma camera non-uniformity is the underl…
The major cause of gamma camera non-uniformity is the underlying non-uniformity of the:
All of the following are daily QC tests on a CT system excep…
All of the following are daily QC tests on a CT system except:
Calculate the correction factor for 364 uCi dose level if th…
Calculate the correction factor for 364 uCi dose level if the expected value is 360uCi and the actual value is 352uCi.
Which of the following will improve image contrast?
Which of the following will improve image contrast?
The path between two detectors in PET is referred to as:
The path between two detectors in PET is referred to as:
If the energy spread for Cs-137 is 630keV to 694 keV at half…
If the energy spread for Cs-137 is 630keV to 694 keV at half-maximum, what is the energy resolution and is it acceptable?