An individual is admitted to the hospital to investigate a recently discovered abdominal mass.To determine the metabolic rate of the mass,an imaging study is ordered,during which a radioisotope is injected into the patient's bloodstream.This study is an example of which one of the following?

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A PET scan is a nuclear imaging study in which emissions from a radioactive compound are examined to assess blood flow,oxygenation,glucose metabolism,and/or receptor location.Techniques such as CT,DTI,and fMRI rely on the use of x-ray images,radio waves,or magnetic fields.

An Individual Is Admitted to the Hospital to Investigate a Recently