What is the unit of measurement for current of electrons that flow from the filament to the anode?

A pulse height analyzer is set for a 20% window for 99mTc, what energies will be accepted? 

A 64 x64 byte matrix is to be used to acquire 30 frames. How much memory will be required if the study is stored in byte mode? (All answers provided in bytes)  

Which of the following acts passed by the U.S.  Congress tied Medicare reibursement to department accreditation? 

The purpose of a halogen impurity in gas detectors is: 

Which of the following PET QC procedures is analogous with a high-count uniformity correction, and is accomplished through a high-count acquisition of a PET QC source for the purpose of correcting nonuniformities within the PET tomograph system? 

Which of the following will improve image contrast?

Match the Dose Calibrator QC below with the appropriate frequency:

______________ collimators are used for PET imaging

Center of Rotation should be performed on SPECT cameras at a minimum of: