A PET scan:
A) records brain waves through electrodes taped to the scalp.
B) records biochemical changes in the brain as they are happening.
C) stimulates the brain by producing a magnetic field through a wire coil.
D) uses radio frequencies and a magnetic field to produce images of the brain.

Question

Quizplus · Accepted Answer

A PET (positron emission tomography) scan records biochemical changes in the brain as they are happening. It involves injecting a radioactive tracer into the body, which emits positrons that are detected by the scanner, producing images of the brain's metabolic activity.

A PET Scan