What Is an Advantage of Using FMRI Over PET Scans

Multiple Choice

What is an advantage of using fMRI over PET scans to study brain function?

A) fMRI detects changes in brain function much faster than PET.
B) fMRI identifies which areas of the brain are active, PET only identifies when these areas are active.
C) fMRI can be used with people who have pacemakers or other metal in their bodies, while PET can't.
D) the results are available much faster with fMRI compared to PET.