No acquiring enough stops (angular sampling) during a SPECT acquisition will result in which type of artifact on reconstructed images? 

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)  

The major cause of gamma camera non-uniformity is the underlying non-uniformity of the:

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 _______.

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: 

What happens to the photon as it strikes the Crystal?

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? 

Calculate the correction factor for 364 uCi dose level if the expected value is 360uCi and the actual value is 352uCi.