Jared has to have a procedure in which his physician will
inject a radioactive substance into his bloodstream, then use
that tracer to observe blood flow in Jared's brain while he
performs certain tasks. Which neuroimaging study will
Jared's physician order?
1) computed tomography (a CT scan)
2) positron emission tomography (a PET scan)
3) functional magnetic resonance imaging (fMRI)
4)
magnetic resonance imaging (MRI)