Both CAT Scans and MRIs Are Neuroimaging Techniques That Allow

Both CAT scans and MRIs are neuroimaging techniques that allow us to understand brain structures. While the CAT scan relies on __________, the MRI uses _______ to produce images of the brain.

A) radiofrequency waves; radioactive dye and x-rays
B) radioactive dye; x-rays and positrons
C) radioactive dye and x-rays; radiofrequency waves and magnetic fields
D) radioactive positrons; magnetic fields