Question

In PET scans, the breakdown of ___________ materials in the body and the release of gamma rays produce a functional view of the brain.
(1 point)
Responses

organic
organic

radioactive
radioactive

toxic
toxic

metallic
Answered by GPT-4o mini
In PET scans, the breakdown of **radioactive** materials in the body and the release of gamma rays produce a functional view of the brain.