Which of the following is the primary benefit of SPECT over PET?
A. SPECT is a noninvasive neuroimaging technique, while PET is invasive.
B. SPECT offers the benefit of using radioactive tracers that are easier to obtain than those used for PET.
C. SPECT allows the monitoring of actual brain activity, while PET does not.
D. SPECT offers the monitoring of brain oxygen changes, while PET does not.
Answer: B
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