A Levy-Jennings plot has ______ as the X-axis and _______ as the Y axis

Which of the following small instruments is the most sensitive? 

According to 10 CFR 35, the limit for removable contamination is:

A source is reading 463 cps in the well counter. The background is 182 cpm. What is the net count rate in cpm? 

Which of the following attenuation methods uses a standard attenuation coefficient of soft tissue applied to the entire matrix of a SPECT image? 

If a 128 x 128 matrix is selected, how many pixels will be included? 

Each of the following contribute to dead-time in PET imaging except: 

In Anger’s original camera, a ring of excess counts called ____________ was seen around the periphery of an intrinsic flood image.

The QC test on the dose calibrator that determines the instruments ability to measure the activity of a known standard in called_____. 

“Butterworth” is a common type of: