Positron Emission Tomography (PET)differs from Magnetic Resonance Imaging (MRI)in that a PET scan:
A) studies the structure of the brain
B) studies activity in the brain
C) uses radio frequencies
D) identifies spinal cord injuries

Question

Quizplus · Accepted Answer

PET scans study activity in the brain by detecting the release of radioactive tracers injected into the body to track blood flow and metabolism. MRI, on the other hand, uses magnetic fields and radio waves to produce detailed images of the brain's structure.

Positron Emission Tomography (PET)differs from Magnetic Resonance Imaging (MRI)in That