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Match the method in each question with the most appropriate alternative from the list below.
-PET ___
A)detects neurotransmitter molecules
B)detects subatomic particle annihilation events
C)detects induced magnetic fields from neural activity
D)detects energy emitted by spinning hydrogen ions

Question

Quizplus · Accepted Answer

PET, or Positron Emission Tomography, works by detecting the annihilation events of subatomic particles. When a positron (emitted by a radioactive tracer) encounters an electron, they annihilate each other, producing gamma rays that are detected by the PET scanner.

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