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What is the most practical material used for shielding in PET?

__________ is hypotension plus tachycardia.  Select the best answer.

The difference between 2-D and 3-D PET is the presence of septa between the detector rings in 2-D mode.

What type of detector is a PET camera?

As count rate increases, ____________ rate increases exponentially.

It has been shown that there is a correlation between the intensity of uptake in primary brain tumors and the grade of the tumor.

All scatter correction methods have disadvantages.  Which of the following are disadvantages of model-based calculations?  Select all that apply.

Which information is stored in list mode acquisition in PET imaging?

Plaques and tangles associated with Alzheimer’s disease are present in patients with Pick’s disease.

As compared to SPECT imaging, which characteristic of the crystal becomes less important?