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Final answer:

PET (Positron Emission Tomography) uses radiopharmaceutical tracers to reveal organ functions and diagnose various conditions.


Explanation:

PET (Positron Emission Tomography) is the imaging procedure that uses a radiopharmaceutical called a tracer to reveal metabolic and physiological functions in tissues. A radiopharmaceutical is a substance that emits radiation and is administered before the scan to create images of active blood flow and organ functions. PET scans are widely used in diagnosing conditions like heart disease, cancer spread, brain abnormalities, and more.


Learn more about PET Scan here:

https://brainly.com/question/7436350


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