Question

question 2 (2.5 points)
tracers are used in what form of medical test?
pet scans
ct scans
sonograms
x - rays
mri

Explanation:

PET (Positron Emission Tomography) scans use tracers. These tracers are usually radioactive substances that are injected into the body. The tracers are taken up by cells in the body, and the PET scanner detects the radiation emitted by the tracers to create images of the body's metabolic processes. CT scans use X - rays and computer technology. Sonograms use ultrasound waves. X - rays use electromagnetic radiation. MRI uses magnetic fields and radio waves.

Answer:

PET scans