Libby's Physician Refers Her to a Medical Centre in Order

Multiple Choice

Libby's physician refers her to a medical centre in order to have the biochemical activity in her brain analyzed. She is given an injection of a glucose-like substance containing a radioactive element and her brain is then scanned. The technique being used is called:

A) positron-emission tomography.
B) functional magnetic resonance imaging.
C) the lesion method.
D) electroencephalography.