Which of the following uses cross-sectional x-ray images to reveal structures in the brain?
A) MRI, or magnetic resonance imaging
B) a PET scan, or positron-emission tomography scan
C) SQUID, or a superconducting quantum interference device
D) a CT scan, or computerized axial tomography scan

Question

Quizplus · Accepted Answer

A CT scan, or computerized axial tomography scan, uses cross-sectional x-ray images to reveal structures in the brain. MRI (A) uses a strong magnetic field and radio waves to create detailed images of the brain, PET scans (B) use radioactive tracers to measure brain activity, and SQUID (C) is a type of magnetometer used to detect magnetic fields in the brain.

Which of the Following Uses Cross-Sectional X-Ray Images to Reveal