Libby's physician refers her to a medical centre to have the biochemical activity in her brain analyzed.She is given an injection of a radioactive glucose-like substance and then is told to lie down with her head in a scanner.Libby's physician has referred her to have a(n)____________ scan.

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PET scans involve injecting a radioactive substance into the body to track the movement of glucose in the brain. This is useful in analyzing biochemical activity and metabolism in the brain, as well as detecting abnormalities such as tumors. fMRI, MEG, and EEG scans all use different techniques and do not require the injection of a radioactive substance.

Libby's Physician Refers Her to a Medical Centre to Have