Multiple choice

What is the full form of the scanning technique PET?

  1. Potential energy treatment

  2. Potential energy therapy

  3. Positron emission transmission

  4. Positron emission tomography
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D Correct answer
Explanation

PET stands for Positron Emission Tomography, a nuclear medicine imaging technique that produces detailed three-dimensional images of functional processes in the body. It uses radioactive tracers (often FDG, a glucose analog) that emit positrons, which annihilate with electrons to produce gamma rays detected by the scanner. PET is crucial in oncology, neurology, and cardiology.

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