Which tests use a high-frequency alternating magnetic field to provide detailed pictures of a brain's anatomy?
A) CT scans
B) EEGs
C) MRIs
D) PET scans

Question

Quizplus · Accepted Answer

MRIs (Magnetic Resonance Imaging) use a high-frequency alternating magnetic field to provide detailed pictures of a brain's anatomy. CT scans (A) use X-rays, EEGs (B) use electrodes to measure brain activity, and PET scans (D) use a radioactive tracer to detect metabolic activity in the brain.

Which Tests Use a High-Frequency Alternating Magnetic Field to Provide