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Positron emission tomography (pet) imaging relies upon the emission of __________ from radioactive isotopes such as carbon-11.

1 Answer

6 votes

Answer:

positron

Step-by-step explanation:

PET scanning works by injecting a radioactive material, called a tracer, into the body. The tracer emits a positron inside the body, and the positron collides with electrons in the body, thereby annihilating and releasing two gamma rays that travel in opposite directions.

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